**Exhibit 4.7**

**AMENDEDAND RESTATED UNIT PURCHASE OPTION CLARIFICATION AGREEMENT**

This Amended and Restated Unit Purchase OptionClarification Agreement (this “Agreement”), dated December 7, 2006 amends andrestates the Unit Purchase Option Clarification Agreement dated September 20,2006, to the Unit Purchase Option, dated as of August 15, 2005 (the “Option”),issued by Stone Arcade Acquisition Corporation, a Delaware corporation, withoffices at c/o Stone-Kaplan Investments, LLC, One Northfield Plaza, Suite 480,Northfield, Illinois 60093 (“Company”), to Morgan Joseph & Co. Inc., withoffices at 600 Fifth Avenue, 19th Floor, New York, New York 10020 (“OptionHolder”).

**WHEREAS**, as a result of certainquestions that have arisen regarding the accounting treatment applicable to theOption, the parties hereto deem it necessary and desirable to amend the Optionto clarify that the Option Holderdoes not have the right, and did not have the right at the time of issuance ofthe Option, to receive a net cash settlement in the event the Company does notmaintain a current prospectus relating to the units, common stock and warrantsissuable upon exercise of the Option at the time such Option is exercisable.

**NOW, THEREFORE**, in consideration of the mutual agreementscontained herein and other good and valuable consideration, the receipt andsufficiency of which are hereby acknowledged, and intending to be legally boundhereby, the parties hereto agree to amend the Option as set forth herein. 

4.             Option.The undersigned hereby agree that the Option is hereby amended by adding thefollowing as Section 2.1.1 to the Option:

“2.1.1      NoExercise of Purchase Option if a Registration Statement is not Effective.Notwithstanding anything herein to the contrary, the Company shall not beobligated to deliver any securities pursuant to the exercise of this PurchaseOption unless (i) a registration statement under the Act with respect to theUnits, Warrants and Common Stock issuable upon such exercise is effective, or(ii) in the opinion of counsel to the Company or counsel to the Holderreasonably satisfactory to the Company, the exercise of this Purchase Option isexempt from the registration requirements of the Act and such securities arequalified for sale or exempt from qualification under applicable securitieslaws of the states or other jurisdictions in which the registered holdersreside.  This Purchase Option may not beexercised by, or securities issued to, any registered holder in any state inwhich such exercise or issuance would be unlawful.  The Holders are not, and at the time of theinitial issuance of this Purchase Option were not, entitled to receive anet-cash settlement or other consideration in lieu of physical settlement insecurities if the 

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securities underlying this Purchase Option are not covered by aneffective registration statement.

 

5.          Damages. The undersigned hereby agree that solelyfor the reason outlined in the recital clause of this Agreement and withoutotherwise in any way limiting any rights the Holder may have under applicablelaw as a result of a breach by the Company of any provision of the Option, theOption is hereby amended by deleting Section 5.3 in its entirety.

6.          Miscellaneous.

a.      Governing Law; Jurisdiction. Thevalidity, interpretation, and performance of this Agreement shall be governedin all respects by the laws of the State of New York, without giving effect toconflict of laws.  The Company herebyagrees that any action, proceeding or claim against it arising out of orrelating in any way to this Agreement shall be brought and enforced in thecourts of the State of New York or the United States District Court for theSouthern District of New York, and irrevocably submits to such jurisdiction,which jurisdiction shall be exclusive. The Company hereby waives any objection to such exclusive jurisdictionand that such courts represent an inconvenient forum.  Any such process or summons to be served uponthe Company may be served by transmitting a copy thereof by registered orcertified mail, return receipt requested, postage prepaid, addressed to it incare of the address set forth above or such other address as the undersignedshall furnish in writing to the other. Such mailing shall be deemed personal service and shall be legal andbinding upon the Company in any action, proceeding or claim. 

 

b.      Binding Effect. This Agreementshall be binding upon and inure to the benefit of the parties hereto and totheir respective heirs, legal representatives, successors and assigns.  

 

c.      Entire Agreement. This  Agreement sets forth the entire agreement andunderstanding between the parties as to the subject matter thereof and mergesand supersedes all prior discussions, agreements and understandings of any andevery nature among them. Except as set forth in this Agreement, provisions ofthe original Option which are not inconsistent with this Agreement shall remainin full force and effect.  This Agreementmay be executed in counterparts.

d.      Severability.  This Agreement shall be deemed severable, andthe invalidity or unenforceability of any term or provision hereof shall notaffect the validity or enforceability of this Agreement or of any other term orprovision hereof.  Furthermore, in lieuof any such invalid or unenforceable term or provision, the parties heretointend that there shall be added as a part of this Agreement a provision assimilar in terms to such invalid or unenforceable provision as may be possible andbe valid and enforceable.

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IN WITNESSWHEREOF, the parties hereto have executed this Amended and Restated UnitPurchase Option Clarification Agreement as of the date first written above.
|        | STONE ARCADE ACQUISITION     |                                       |
|--------|------------------------------|--------------------------------------------|
|   | CORPORATION                  |                                       |
|   |                         |                                       |   |
|   |                         |                                       |   |
|   | By:                          |  /s/ Roger W.  Stone                  |   |
|   |                         | Name:  Roger W. Stone            |   |
|   |                         | Title:  Chairman and CEO         |   |
|   |                         |                                       |   |
|   |                         |                                       |   |
|   | MORGAN JOSEPH & CO. INC. |                                       |
|   |                         |                                       |   |
|   |                         |                                       |   |
|   | By:                          | /s/ MaryLou Malanoski                      |   |
|   |                         | Name:  MaryLou Malanoski         |   |
|   |                         | Title:  Executive Vice President |   |

 

 

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