nVidia has released new ForceWare 88.61 drivers for Windows Vista Beta 2

NVIDIA released the following beta drivers for Windows Vista Beta 2. The current ForceWare driver is a beta release that will enable you to test the basic features and capabilities of the new operating system.

Release Highlights:

These drivers are tested for use only with Microsoft Windows Vista Beta 2 only. Click here to download Windows Vista Beta 2.
Includes the new NVIDIA Control Panel. Please visit the NVIDIA Control Panel website for more information.
Includes OpenGL driver for compatibility testing.
Improved application compatibility and performance. For a full list of fixes issues, please view the Release Notes.
Adds support for GeForce 7900 GS, GeForce 7600 GS, GeForce 7300 GT, Quadro FX 4500 X2, Quadro FX 5500, Quadro FX 3500, Quadro FX 1500, and Quadro FX 560.

Download for x86
Download for x64