Hi all maybe i can find the same info searching around in isi forum or here. I have a q6600 + an ati 6850 i see that changing the resolution and details setting in dont improve the fps (i have always around 50-60 fps,if hrd and others stuffs are enabled i get 20-30 fps). I decide to buy an i5 2500k cpu,with a new mobo and 8 gb of ddr3 ram,you think i will gain some fps? or i have to change the gpu too? rf2 it's very heavy for the cpu or gpu? thanks for your help.