NVIDIA has just released new WHQL-certified ForceWare drivers (v197.45) for GeForce 6, 7, 8, 9, 100, 200, and 300-series desktop GPUs and ION desktop GPUs. Owners of the new GTX 400 series cards, however, still require the use of 197.41 WHQL. The latest driver gives a PhysX system software update to 9.10.0129 as well as a bunch of game-specific performance enhancements, additional SLI profiles and various bug fixes, all detailed within the release notes here (PDF).

What's New in Version 197.45
- Recommended for achieving the best performance with the new GPU-accelerated features in Adobe CS5.
- Added support for the new version of MotionDSPʹs video enhancement software, vReveal, which adds support for HD output.
- This driver package installs NVIDIA PhysX System Software v9.10.0129.NVIDIA PhysX acceleration is available on all GeForce 8-series, 9-series, 100-series, and 200-series GPUs with a minimum of 256MB dedicated graphics memory and a minimum of 32 processor cores.
- This driver package installs the HD audio driver, version 1.0.9.1.