NVIDIA rolled out the GeForce 185.85 WHQL certified driver for Windows XP, Vista and 7. As always, you can download it at this page.
Here is the changelog of the Windows 7 driver:
Adds support for the new GeForce GTX 275 GPU.
Adds support for Ambient Occlusion – the newest NVIDIA Control Panel feature to offer enhanced 3D gaming realism exclusively to GeForce GPUs.
Adds support for CUDA 2.2 for improved performance in GPU Computing applications. See CUDA for more details.
Expands GPU hardware acceleration for the NVIDIA Video Encoding library to GPUs with less than 32 cores. Applications using this library include CyberLink PowerDirector 7, Nero Move it 1.5, Loilo SuperLoiloScope MARS, and CyberLink MediaShow Espresso.