NVIDIA has released new drivers for its GeForce 8800-series GPUs. The new ForceWare release 95, version 97.94 (PDF) is only available for Windows XP 32-bit and 64-bit users. As usual, it introduces various games and application fixes.

97.94 release highlights:
Supports GeForce 8800 GTX and GeForce 8800 GTS GPUs.
Game and application compatibility fixes. For more information on this driver, please view the Release Notes.
New PureVideo technology features allows GeForce 8800 GTX/GTS to achieve a score of 128 in the HQV video quality benchmark:
Improved inverse telecine algorithms (2:2 & 3:2 Pull-down Correction) for standard and high definition content.
Improved spatial-temporal de-interlacing algorithm (for standard and high definition content).
Includes the new NVIDIA Control Panel. Please visit the NVIDIA Control Panel website for more information.
Microsoft® DirectX® 9.0c and OpenGL® 2.1 support.

32bit drivers for xp can be downloaded here

and 64bit here