Found this today at Geforce.com: NVIDIA GeForce 301.24 Beta Drivers Add Major Gaming Features & Boost Skyrim Performance By Up To 20% The new NVIDIA GeForce 301.24 beta drivers are now available to download An essential upgrade for all GeForce users, these drivers enable NVIDIA FXAA, NVIDIA Adaptive VSync, and NVIDIA Frame Rate Target on all GeForce 8-series and later GPUs and also add new NVIDIA Surround features for all Surround-capable GPUs. Also included are numerous performance improvements for top titles, new SLI profiles, and new 3D Vision profiles. Other performance improvements were found in Batman: Arkham City, Bulletstorm, Civilization V, Just Cause 2, StarCraft II, and Shogun 2, to name but a few. See perf. charts below with 301.24 driver : GTX 560Ti Performance chart GTX 580 Performance chart GTX 560Ti SLI Performance chart GTX 580 SLI Performance chart see LINK for full details !!