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                                                                   EXHIBIT 10.17

                                AMENDMENT NO. 11
                         TO MASTER REPURCHASE AGREEMENT

            Amendment No. 11, dated as of April 29, 2004 (this "Amendment"),
between CREDIT SUISSE FIRST BOSTON MORTGAGE CAPITAL LLC (the "Buyer") and OAK
STREET MORTGAGE LLC (formerly known as Cresleigh Financial Services LLC (the
"Seller").

                                    RECITALS

            The Buyer and the Seller are parties to that certain Master
Repurchase Agreement, dated as of March 1, 2002, as amended by Amendment No. 1,
dated as of May 30, 2002, Amendment No. 2, dated as of September 29, 2002,
Amendment No. 3, dated as of October 30, 2002, Amendment No. 4, dated as of
December 16, 2002, Amendment No. 5, dated as of February 27, 2003, Amendment No.
6, dated as of May 1, 2003, Amendment No. 7, dated as of May 15, 2003, Amendment
No. 8, dated as of September 12, 2003, Amendment No. 9, dated as of March 1,
2003 and Amendment No. 10, dated as of April 20, 2004 (the "Existing Repurchase
Agreement"; as amended by this Amendment, the "Repurchase Agreement").
Capitalized terms used but not otherwise defined herein shall have the meanings
given to them in the Existing Repurchase Agreement.

            The Buyer and the Seller have agreed, subject to the terms and
conditions of this Amendment, that the Existing Repurchase Agreement be amended
to reflect certain agreed upon revisions to the terms of the Existing Repurchase
Agreement.

            Accordingly, the Buyer and the Seller hereby agree, in consideration
of the mutual premises and mutual obligations set forth herein, that the
Existing Repurchase Agreement is hereby amended as follows:

            SECTION 1. Increased Maximum Aggregate Cash Purchase Price Period.
For purposes of this Amendment, this Section 2 will be effective only during the
period beginning on April 26, 2004 through and including July 31, 2004 (the
"Increased Maximum Aggregate Cash Purchase Price Period").

            1.1 Definitions.

            (a) Section 2 of the Existing Repurchase Agreement is hereby
      temporarily amended by deleting the definition of "Maximum Aggregate Cash
      Purchase Price" in its entirety and replacing it with the following
      language, which amendment shall be effective solely during the Increased
      Maximum Aggregate Cash Purchase Price Period:

            "Maximum Aggregate Cash Purchase Price" means ONE HUNDRED MILLION
      DOLLARS ($100,000,000).

            (b) Section 2 of the Existing Repurchase Agreement is hereby
      temporarily amended by deleting clause (viii) of the definition of "Market
      Value" in its entirety and

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      replacing it with the following language, which amendment shall be
      effective solely during the Increased Maximum Aggregate Cash Purchase
      Price Period:

            "(viii) when the Mortgage Loan is a Sub-Prime Mortgage Loan and the
Cash Purchase Price for such Purchased Mortgage Loan is added to other Purchased
Mortgage Loans, the aggregate Cash Purchase Price of all Sub-Prime Mortgage
Loans that are Purchased Mortgage Loans exceeds $70 million;"

            1.2 Covenants. Section 14(a) of the Existing Repurchase Agreement is
hereby amended by deleting it in its entirety and replacing it with the
following, which amendment shall be effective solely during the Increased
Maximum Aggregate Cash Purchase Price Period:

            "(a) Adjusted Tangible Net Worth. Seller shall maintain an Adjusted
Tangible Net Worth of at least $12 million."

            SECTION 2. Conditions Precedent. This Amendment shall become
effective on April 29, 2004 (the "Amendment Effective Date"), subject to the
satisfaction of the following conditions precedent:

            2.1 Delivered Documents. On the Amendment Effective Date, the Buyer
shall have received the following documents, each of which shall be satisfactory
to the Buyer in form and substance:

            (a) this Amendment, executed and delivered by a duly authorized
officer of the Buyer and the Seller; and

            (b) such other documents as the Buyer or counsel to the Buyer may
reasonably request.

            SECTION 3. Representations and Warranties. The Seller hereby
represents and warrants to the Buyer that it is in compliance with all the terms
and provisions set forth in the Repurchase Agreement on its part to be observed
or performed, and that no Event of Default has occurred or is continuing, and
hereby confirm and reaffirm the representations and warranties contained in
Section 13 of the Repurchase Agreement.

            SECTION 4. Limited Effect. Except as expressly amended and modified
by this Amendment, the Existing Repurchase Agreement shall continue to be, and
shall remain, in full force and effect in accordance with its terms.

            SECTION 5. Counterparts. This Amendment may be executed by each of
the parties hereto on any number of separate counterparts, each of which shall
be an original and all of which taken together shall constitute one and the same
instrument.

            SECTION 6. GOVERNING LAW. THIS AMENDMENT SHALL BE GOVERNED BY, AND
CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK WITHOUT
REFERENCE TO THE CHOICE OF LAW PROVISIONS THEREOF.

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                            [SIGNATURE PAGE FOLLOWS]

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            IN WITNESS WHEREOF, the parties have caused their names to be signed
hereto by their respective officers thereunto duly authorized as of the day and
year first above written.

Buyer:                                 CREDIT SUISSE FIRST BOSTON
                                       MORTGAGE CAPITAL LLC,
                                       AS BUYER

                                       By: /s/ Jeffrey A. Detwiler
                                           ------------------------------------
                                           Name:  Jeffrey A. Detwiler
                                           Title: Managing Director

Seller:                                OAK STREET MORTGAGE LLC
                                       AS SELLER

                                       By: /s/ Craig L. Royal
                                           ------------------------------------
                                           Name: Craig L. Royal
                                           Title: Chief Financial Officer