The latest beta drivers from Nvidia, version 260.89, offer a handful of improvements that make them worth downloading, especially if you have a GeForce GTX 480 or 460. There is a decent list of games with speed improvements, SLI enhancements, and updates. As has become typical with the launch of every new card, in this case the GeForce GT 430, the company updates their drivers to add support and these betas are not the exception.
Noteworthy changes listed in the release notes include: OpenGL 4.1 support for GeForce 400 GPUs, SLI profile enhancements for Alien Swarm, Dead Rising 2 and LEGO: Harry Potter, PhysX Software has been updated as well as the HD audio driver. If you are ready to take these beta drivers for a ride, choose your operating system below.