To the extent permitted by applicable law, each Guarantor hereby waives promptness, diligence, protest, notice of acceptance and any other notice or formality of any kind with respect to any of the Guaranteed Obligations and this Guaranty and any requirement that the Collateral Agent exhaust any right or take any action against any Transaction Party or any other Person or any Collateral.  Each Guarantor acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated herein and that the waiver set forth in this Section 4 is knowingly made in contemplation of such benefits.  The Guarantors hereby waive any right to revoke this Guaranty, and acknowledge that this Guaranty is continuing in nature and applies to all Guaranteed Obligations, whether existing now or in the future.  Without limiting the foregoing, to the extent permitted by applicable law, each Guarantor hereby unconditionally and irrevocably waives (a) any defense arising by reason of any claim or defense based upon an election of remedies by the Collateral Agent or any Buyer that in any manner impairs, reduces, releases or otherwise adversely affects the subrogation, reimbursement, exoneration, contribution or indemnification rights of such Guarantor or other rights of such Guarantor to proceed against any of the other Transaction Parties, any other guarantor or any other Person or any Collateral, and (b) any defense based on any right of set-off or counterclaim against or in respect of the Guaranteed Obligations of such Guarantor hereunder.  Each Guarantor hereby unconditionally and irrevocably waives any duty on the part of the Collateral Agent or any Buyer to disclose to such Guarantor any matter, fact or thing relating to the business, condition (financial or otherwise), operations, performance, properties or prospects of any other Transaction Party or any of its Subsidiaries now or hereafter known by the Collateral Agent or a Buyer.