Asus has posted a ton of bios updates:

Bios CUV4X-ME 1002 Final (=1002 - 08 Beta)
Bios CUSL2 - Series ( i815e ) 1007 - 03 Beta
Bios CUSL2-C(A/B) / CUEP2-M ( i815ep ) 1007 - 03 Beta
Bios CUV4X-C 1007 - 06 Beta
Bios CUV4X-E without OnBoard Audio 1003 - 09 Beta
Bios CUV4X-E(A) with OnBoard Audio 1004 - 09 Beta
Bios CUV4X-D / DLS 1009 - 03 Beta
Bios CUSI - Series 1008 - 07 Beta

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