A new NVIDIA ForceWare driver appeared on the web which is being served on-line by one of NVIDIA's partners. It's revision build 174.93 XP for Windows XP 7 Vista. Bare in mind this to be considered a beta driver, use it at your own risk. There are several discussion open on these drivers in the Guru3D NVIDIA driver forums, check them here.
Download:
ForceWare 174.93 Vista (64-bit)
ForceWare 174.93 Vista (32-bit)
ForceWare 174.93 XP (32-bit)
NVIDIA ForceWare 174.93 XP/Vista Drivers