New in Version 285.62

•This is the recommended driver for Battlefield 3. It contains several performance and compatibility enhancements for the final release of the game. Check here to see if your PC is ready for Battlefield 3.
•This is also the recommended and enhanced driver for Batman: Arkham City and RAGE.
•Check here to see if your PC is ready for Batman: Arkham City
•Contains a fix for the driver timeouts reported with the R285 beta drivers.
New in R285 Drivers

Performance

•Increases performance for GeForce 400 and 500-series GPUs in several PC games vs. v280.26 WHQL drivers. The following are some examples of improvements measured on Windows 7. Results will vary depending on your GPU and system configuration:
GeForce GTX 580:

◦Up to 6% in Battlefield 3
◦Up to 5% in Call of Duty: Black Ops
◦Up to 7% in Civilization V with SLI
◦Up to 5% in Crysis 2 DX11 with SLI
◦Up to 7% in F1 2010 with SLI
◦Up to 5% in Lost Planet 2 with SLI
◦Up to 5% in Mafia 2 with SLI
◦Up to 13% in Metro 2033 with SLI
◦Up to 8% in STALKER: Call of Pripyat with SLI
◦Up to 5% in StarCraft 2
GeForce GTX 560:

◦Up to 4% in Bulletstorm
◦Up to 5% in Battlefield: Bad Company 2 with SLI
◦Up to 11% in Battlefield 3
◦Up to 6% in Call of Duty: Black Ops
◦Up to 5% in Crysis 2 DX11 with SLI
◦Up to 7% in Dragon Age 2 with SLI
◦Up to 7% in F1 2010 with SLI
◦Up to 5% in Just Cause 2 with SLI
◦Up to 5% in Lost Planet 2 with SLI
◦Up to 4% in Mafia 2 with SLI
◦Up to 7% in Metro 2033 with SLI
◦Up to 11% in STALKER: Call of Pripyat with SLI
◦Up to 7% in StarCraft 2

http://www.nvidia.com/object/win7-w...hql-driver.html