Just saw this:
NEW 8800GTS 640MB with 112 SPs @ Hardwarecanucks - Hardware Canucks
NCIX FORUMS - Rev.2 faster than rev.1??? - EVGA E-GEFORCE 8800GTS SSC Edition 576MH...
NCIX FORUMS - What is this?? - EVGA E-GEFORCE 8800GTS SSC Edition 576MH...
NEW 8800 GTS 640mb anyone?? - PC Perspective Forums
Seems to have the G80 core?!