Alright.. got the processor, mobo & ram today and did some benchmarking, here is some before & after results (same card & drivers ofcourse on both processors): LOST PLANET 2 DX9...........................TEST A...............TEST B....... Core 2 Duo 7400 @ 3.8.......................67.4 fps..............39.7 fps...... Phenom II x4 955 @ 4.0......................85.9 fps..............58.3 fps...... LOST PLANET 2 DX11.........................TEST A...............TEST B........ Core 2 Duo 7400 @ 3.8.......................50.4 fps..............36.5 fps....... Phenom II x4 955 @ 4.0......................68.3 fps..............56.5 fps....... 3DMARK 2011 - performance trial Core 2 Duo 7400 @ 3.8 = 3918 points Phenom II x4 955 @ 4.0 = 5115 points 3DMARK VANTAGE - performance trial (PPU, so.. ) Core 2 Duo 7400 @ 3.8 = 11879 points Phenom II x4 955 @ 4.0 = 18149 points On Battlefield 3 i play now on 1920 x 1080 at ULTRA.... No fps drops, no stuttering and so on.... everything is now running smooth as silk! :banana: