nVIDIA has released a new set of Forceware drivers for Windows Vista, get them if you need them.
# WHQL Certified driver for GeForce 6, 7, and 8 series GPUs.
# Improved compatibility and performance for NVIDIA SLI™ technology on DirectX 9, DirectX 10, and OpenGL applications.
# Improved compatibility for The Way It’s Meant To Be Played™ game titles: BioShock, Crysis, Enemy Territory: Quake Wars, Hellgate: London, and World in Conflict.
# Added HD video post-processing for H.264, VC-1 and MPEG-2 HD content on the GeForce 8500 and 8600 series GPUs.
# Numerous game and application compatibility fixes. Please read the release notes for more information on product support, features, driver fixes and known compatibility issues.