Download GeForce 266.35 Beta Driver
Nvidia has just released the GeForce 266.35 beta driver which provides performance improvements for the 400 and 500 models, plus multiple SLI and 3D Vision updates. This driver support for the GeForce 6, 7, 8, 9, 100, 200, 300, 400 and 500 series desktop cards and ION GPUs. The GeForce 266.35 is bundled with the PhysX System Software v9.10.0514, the HD Audio driver v220.127.116.11.
The GeForce 266.35 beta can be download from the links below: