SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549


                                  SCHEDULE 13G
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934


                          Fortissimo Acquisition Corp.
             ------------------------------------------------------
                                (Name of Issuer)


                    Common Stock, par value $0.0001 per share
             ------------------------------------------------------
                         (Title of Class of Securities)


                                    34958F107
             ------------------------------------------------------
                                 (CUSIP NUMBER)


                                November 22, 2006
             ------------------------------------------------------
             (Date of event which requires filing of this statement)

     Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

[ ]  Rule 13d-1(b)

[X]  Rule 13d-1(c)

[ ]  Rule 13d-1(d)


The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
notes).


                               Page 1 of 14 Pages




CUSIP No. 34958F107                     13G                  Page 2 of 14 Pages

--------------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            D.B. Zwirn & Co., L.P.      20-0597442
--------------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
--------------------------------------------------------------------------------
     (3)    SEC USE ONLY
--------------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware
--------------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         -----------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    370,000 Shares
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    370,000 Shares
--------------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
            370,000 Shares
--------------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                          [ ]
--------------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
            6.31%
--------------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
            PN
--------------------------------------------------------------------------------


                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No. 34958F107                     13G                  Page 3 of 14 Pages

--------------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            D.B. Zwirn Special Opportunities Fund, Ltd.
--------------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
--------------------------------------------------------------------------------
     (3)    SEC USE ONLY
--------------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Cayman Islands, British West Indies
--------------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         -----------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    225,700 Shares
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    225,700 Shares
--------------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
            225,700 Shares
--------------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                          [ ]
--------------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
            3.85%
--------------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
            CO
--------------------------------------------------------------------------------


                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No. 34958F107                     13G                  Page 4 of 14 Pages

--------------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            D.B. Zwirn Special Opportunities Fund, L.P.          73-1637217
--------------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
--------------------------------------------------------------------------------
     (3)    SEC USE ONLY
--------------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware
--------------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         -----------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    144,300 Shares
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    144,300 Shares
--------------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
            144,300 Shares
--------------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                           [ ]
--------------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
            2.46%
--------------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
            PN
--------------------------------------------------------------------------------


                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No. 34958F107                     13G                  Page 5 of 14 Pages

--------------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            DBZ GP, LLC             42-1657316
--------------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
--------------------------------------------------------------------------------
     (3)    SEC USE ONLY
--------------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware
--------------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         -----------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    370,000 Shares
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    370,000 Shares
--------------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
            370,000 Shares
--------------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                           [ ]
--------------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
            6.31%
--------------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
            OO
--------------------------------------------------------------------------------


                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No. 34958F107                     13G                  Page 6 of 14 Pages

--------------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            Zwirn Holdings, LLC             30-0080444
--------------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
--------------------------------------------------------------------------------
     (3)    SEC USE ONLY
--------------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware
--------------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         -----------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    370,000 Shares
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    370,000 Shares
--------------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
            370,000 Shares
--------------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                           [ ]
--------------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
            6.31%
--------------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
            OO
--------------------------------------------------------------------------------


                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No. 34958F107                     13G                  Page 7 of 14 Pages

--------------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            Daniel B. Zwirn
--------------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
--------------------------------------------------------------------------------
     (3)    SEC USE ONLY
--------------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            United States
--------------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         -----------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    370,000 Shares
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    370,000 Shares
--------------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
            370,000 Shares
--------------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                           [ ]
--------------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
            6.31%
--------------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
            IN
--------------------------------------------------------------------------------


                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No. 34958F107                     13G                  Page 8 of 14 Pages

Item 1.

(a)  Name of Issuer

      Fortissimo Acquisition Corp. (the "Issuer")

(b)  Address of Issuer's Principal Executive Offices:

      14 Hamelacha Street, Park Afek
      Rosh Haayin, Israel 48091

Item 2(a).  Name of Person Filing
Item 2(b).  Address of Principal Business Office
Item 2(c).  Citizenship

      D.B. Zwirn & Co, L.P.
      745 Fifth Avenue, 18th Floor
      New York, NY 10151
      Citizenship:  Delaware

      D.B. Zwirn Special Opportunities Fund, L.P.
      c/o D.B. Zwirn & Co., L.P.
      745 Fifth Avenue, 18th Floor
      New York, NY 10151
      Citizenship:  Delaware

      D.B. Zwirn Special Opportunities Fund, Ltd.
      c/o Goldman Sachs (Cayman) Trust, Limited
      P.O. Box 896 George Town
      Harbour Centre, 2nd Floor
      Grand Cayman, Cayman Islands
      British West Indies
      Citizenship:  Cayman Islands, British West Indies

      DBZ GP, LLC
      c/o D.B. Zwirn & Co., L.P.
      745 Fifth Avenue, 18th Floor
      New York, NY 10151
      Citizenship:  Delaware

      Zwirn Holdings, LLC
      c/o D.B. Zwirn & Co., L.P.
      745 Fifth Avenue, 18th Floor
      New York, NY 10151
      Citizenship:  Delaware

      Daniel B. Zwirn
      c/o D.B. Zwirn & Co., L.P.
      745 Fifth Avenue, 18th Floor
      New York, NY 10151
      Citizenship:  United States

(d)  Title of Class of Securities

     Common Stock, par value $0.0001 per share ("Shares")




CUSIP No. 34958F107                     13G                  Page 9 of 14 Pages

(e)  CUSIP Number

      34958F107

Item 3. If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b), check
 whether the person filing is a:

(a) [ ] Broker or dealer registered under Section 15 of the Act (15 U.S.C.
        78o).

(b) [ ] Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in Section 3(a)(19) of the Act (15
        U.S.C. 78c).

(d) [ ] Investment company registered under Section 8 of the Investment
        Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with Rule
        13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with Rule
        13d-1(b)(1)(ii)(G);

(h) [ ] A savings association as defined in Section 3(b) of the Federal
        Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment
        company under Section 3(c)(14) of the Investment Company Act of 1940 (15
        U.S.C. 80a-3);

(j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

If this statement is filed pursuant to Rule 13d-1(c), check this box. [x]

Item 4. Ownership

(a)  Amount Beneficially Owned

        As of the date of this filing, D.B. Zwirn & Co., L.P., DBZ GP, LLC,
Zwirn Holdings, LLC, and Daniel B. Zwirn may each be deemed the beneficial owner
of (i) 144,300 Shares owned by D.B. Zwirn Special Opportunities Fund, L.P. and
(ii) 225,700 Shares owned by D.B. Zwirn Special Opportunities Fund, Ltd. (each
entity referred to in (i) through (ii) is herein referred to as a "Fund" and,
collectively, as the "Funds").

        D.B. Zwirn & Co., L.P. is the manager of each of the Funds, and
consequently has voting control and investment discretion over the Shares held
by each of the Funds. Daniel B. Zwirn is the managing member of and thereby
controls Zwirn Holdings, LLC, which in turn is the managing member of and
thereby controls DBZ GP, LLC, which in turn is the general partner of and
thereby controls D.B. Zwirn & Co., L.P. The foregoing should not be construed in
and of itself as an admission by any Reporting Person as to beneficial ownership
of Shares owned by another Reporting Person. In addition, each of D.B. Zwirn &
Co., L.P., DBZ GP, LLC, Zwirn Holdings, LLC, and Daniel B. Zwirn disclaims
beneficial ownership of the Shares held by the Funds.



CUSIP No. 34958F107                     13G                  Page 10 of 14 Pages

(b)  Percent of Class

        Based upon the Issuer's Current Report on Form 10-KSB filed on March 29,
2007, there were 5,868,334 Shares outstanding as of March 28, 2007. Therefore,
(i) D.B. Zwirn Special Opportunities Fund, L.P. owns approximately 2.46% of the
outstanding Shares, (ii) D.B. Zwirn Special Opportunities Fund, Ltd. owns
approximately 3.85% of the outstanding Shares and (iii) each of D.B. Zwirn &
Co., L.P., DBZ GP, LLC, Zwirn Holdings, LLC, and Daniel B. Zwirn may be deemed
to beneficially own 6.31% of the outstanding Shares. The foregoing should not be
construed in and of itself as an admission by any Reporting Person as to
beneficial ownership of Shares owned by another Reporting Person.

(c)  Number of shares as to which such person has:

        (i)   Sole power to vote or to direct the vote:

              See Item 4(a)

        (ii)  Shared power to vote or to direct the vote

              See Item 4(a)

        (iii) Sole power to dispose or to direct the disposition of

              See Item 4(a)

        (iv)  Shared power to dispose or to direct the disposition of

              See Item 4(a)

Item 5.  Ownership of Five Percent or Less of a Class

        Not applicable.

Item 6.  Ownership of More than Five Percent on Behalf of Another Person.

        Not applicable.

Item 7.  Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on By the Parent Holding Company

        Not applicable.

Item 8.  Identification and Classification of Members of the Group

        See Exhibit I.

Item 9.  Notice of Dissolution of Group

        Not applicable

Item 10. Certification

By signing below each of the undersigned certifies that, to the best of its
knowledge and belief, the securities referred to above were not acquired and are
not held for the purpose of or with the effect of changing or influencing the
control of the issuer of the securities and were not acquired and are not held
in connection with or as a participant in any transaction having that purpose



CUSIP No. 34958F107                     13G                  Page 11 of 14 Pages

or effect.

Exhibits:

Exhibit I: Joint Filing Agreement, dated as of May 4, 2007, by and among
D.B. Zwirn Special Opportunities Fund, L.P., D.B. Zwirn Special Opportunities
Fund, Ltd., D.B. Zwirn & Co., L.P., DBZ GP, LLC, Zwirn Holdings, LLC, and Daniel
B. Zwirn.

Exhibit II: Power of Attorney of Daniel B. Zwirn, dated February 5, 2007




CUSIP No. 34958F107                     13G                  Page 12 of 14 Pages


                                    SIGNATURE

After reasonable inquiry and to the best of its knowledge and belief, each of
the undersigned certifies that the information with respect to it set forth in
this statement is true, complete, and correct.

Dated: May 4, 2007

D.B. ZWIRN SPECIAL OPPORTUNITIES        D.B. ZWIRN SPECIAL OPPORTUNITIES
FUND, LTD.                              FUND, L.P.
By: D.B. Zwirn & Co., L.P.              By: D.B. Zwirn & Co., L.P.
By: DBZ GP, LLC,                        By: DBZ GP, LLC,
    its General Partner                     its General Partner
By: Zwirn Holdings, LLC,                By: Zwirn Holdings, LLC,
    its Managing Member                     its Managing Member


D.B. ZWIRN & CO., L.P.                  DBZ GP, LLC
By: DBZ GP, LLC,                        By: Zwirn Holdings, LLC,
    its General Partner                     its Managing Member
By: Zwirn Holdings, LLC,
    its Managing Member

ZWIRN HOLDINGS, LLC


                               By: /s/ Lawrence D. Cutler
                                   ----------------------------
                                   Name: Lawrence D. Cutler
                                   Title: Authorized Signatory


/s/ Lawrence D. Cutler
------------------------------
LAWRENCE D. CUTLER, as Attorney-in-
Fact for Daniel B. Zwirn



CUSIP No. 34958F107                     13G                  Page 13 of 14 Pages

                                    EXHIBIT I

                             JOINT FILING AGREEMENT

This will confirm the agreement by and among the undersigned that the Schedule
13G filed with the Securities and Exchange Commission on or about the date
hereof with respect to the beneficial ownership by the undersigned of the common
stock of Israel Growth Partners Acquisition Corp. is being filed, and all
amendments thereto will be filed, on behalf of each of the persons and entities
named below in accordance with Rule 13d-1(k) under the Securities Exchange Act
of 1934, as amended. This Agreement may be executed in two or more counterparts,
each of which shall be deemed an original, but all of which together shall
constitute one and the same instrument.

Dated: May 4, 2007



D.B. ZWIRN SPECIAL OPPORTUNITIES        D.B. ZWIRN SPECIAL OPPORTUNITIES
FUND, L.P.                              FUND, LTD.
By: D.B. Zwirn & Co., L.P.              By: D.B. Zwirn & Co., L.P.
By: DBZ GP, LLC,                        By: DBZ GP, LLC,
    its General Partner                 its General Partner
By: Zwirn Holdings, LLC,                By: Zwirn Holdings, LLC,
    its Managing Member                     its Managing Member


D.B. ZWIRN & CO., L.P.                  DBZ GP, LLC
By: DBZ GP, LLC,                        By: Zwirn Holdings, LLC,
    its General Partner                     its Managing Member
By: Zwirn Holdings, LLC,
    its Managing Member

ZWIRN HOLDINGS, LLC


                               By: /s/ Lawrence D. Cutler
                                   ----------------------------
                               Name: Lawrence D. Cutler
                               Title: Authorized Signatory



/s/ Lawrence D. Cutler
------------------------------
LAWRENCE D. CUTLER, as Attorney-in-
Fact for Daniel B. Zwirn




CUSIP No. 34958F107                     13G                  Page 14 of 14 Pages

                                   EXHIBIT II

                                POWER OF ATTORNEY


         The undersigned hereby appoints David C. Lee and Lawrence D. Cutler, or
either of them, his true and lawful attorney-in fact and agent to execute and
file with the Securities and Exchange Commission any Schedule 13D, Schedule 13G,
any amendments thereto and any related documentation which may be required to be
filed in his individual capacity as a result of the undersigned's beneficial
ownership of, or participation in a group with respect to, securities directly
or indirectly beneficially owned by D.B. Zwirn & Co, L.P. or any of its
affiliates, and granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing which he might or could
do in person, hereby ratifying and confirming all that said attorney-in-fact and
agent may lawfully do or cause to be done by virtue hereof. The authority of
David C. Lee and Lawrence D. Cutler, or either of them, under this Power of
Attorney shall continue with respect to the undersigned until the undersigned is
no longer required to file Schedule 13Ds or Schedule 13Gs unless revoked earlier
in writing.

Date:                                         February 5, 2007

                                         /s/ Daniel B. Zwirn
                                         ----------------------------
                                         Daniel B. Zwirn