Looks good, from my tests I do see a fair difference in frame rate. Anyone else test it?
http://www.geforce.com/drivers/results/51747
Nvidia said:Performance Boost – Increases performance for GeForce 400/500/600 Series GPUs in several PC games vs. GeForce 306.97 WHQL drivers. Results will vary depending on your GPU and system configuration:
GeForce GTX 680:
Up to 26% in Call of Duty: Black Ops 2
Up to 16% in Battlefield 3
Up to 18% in Assassin's Creed III
Up to 9% in The Elder Scrolls V: Skyrim
Up to 6% in Medal of Honor: Warfighter
Up to 6% in StarCraft II
Up to 6% in Dragon Age II
Up to 6% in Batman: Arkham City
Up to 5% in S.T.A.L.K.E.R.: Call of Pripyat
GeForce GTX 660:
Up to 24% in Call of Duty: Black Ops 2
Up to 10% in Battlefield 3
Up to 7% in The Elder Scrolls V: Skyrim
Up to 5% in Dragon Age II
Up to 5% in Assassin's Creed III
Up to 4% in Batman: Arkham City
Up to 4% in Medal of Honor: Warfighter
http://www.geforce.com/drivers/results/51747