Well nVIDIA is releasing drivers like there is no tomrrow! The official 81.95 drivers have just been released.

• Adds support for GeForce 7800 GTX 512 and GeForce 6800 GS
• Improved performance for Quake 4
• Improved performance and compatibility for Call of Duty 2
• Mixed vendor support for NVIDIA SLI.
• TV-Out/HD-out support for NVIDIA SLI.
• Added support for VSync on Direct3D games when running NVIDIA SLI.
• Performance enhancements for dual-core CPUs.
• PureVideo high definition MPEG-2 de-interlacing support.
• Usability enhancements when connecting to an HDTV.