Need Help in choosing good configuration for gaming

Hi All,

I am new to this forum.

i want to take a PC with good configuration for gaming only. so i had gone through some forums and had come up with below items.

Could any one please suggest me which are (Main boards,Processors,Graphics Card) better for gaming ?.

Intel Based :

Main Board : XFX nForce 790i 3 - Way - SLI (MB-N790-IUL9)

Processor : Core 2 Quad Q9300(2.5) / Core 2 Quad Q8200(2.33)

AMD Based :

Main Board : ASUS M4N82 Deluxe nForce 980a SLI

Processor : AMD Phenom II X4 955(3.2) / AMD Phenom II X4 940(3.0) / AMD Phenom II X4 920(2.80)

Graphics Card : XFX or ASUS . ( 9800 GX2 1024MB, 285 GTX 1024M, 8800 Ultra 768MB)