Hi :)
I'm using these drivers with my two GTX480 in SLI, with no problems at all!
http://www.geforce.com/drivers/results/42929
inf: http://www.mediafire.com/?3oxgkolx07i30a2
GeForce R300 drivers introduce several new industry-leading gaming features and will be released using versions 300.xx to 301.xx.
New Feature Summary:
NVIDIA GPU Boost Technology – dynamically maximizes clock speeds based on workload of the game to push performance to new levels and bring out the best in every game. Learn more on GeForce.com.
Install Instructions:
Extract the driver package, place the downloaded .inf file in the Driver.Display folder and then run the setup.
Enjoy the new features!
Adaptive VSync seems to work very well. And also the
surround enhancements are nice :)