Agree on the OC (I tried earlier with 4.5Ghz) and it gave me an extra 10-15 fps, however it still won't hit 60fps on high, let alone max and ultra. High is "playable" (if you consider 40-45 fps playable) however the game still runs like death in the showcases.
Intel i7 2600k @ 4.5ghz, Benq XL2420T 120hz monitor, Nvidia GTX 680, Razer BlackWidow Ultimate, Razer Taipan, Razer Scarab