Heres my problem. I have 3 mobos Gigabyte GA 880g ud3h Gigabyte GA 870g usb 3 L Asrock M3A 770 de 2 cpu Athlon ii x4 630 Phenom ii x2 955 BE 3 gpu hd 5450 hd 5750 hd 5770 What is the best combo for gaming? i use the hd 57## series in crossfire and will continue to do so. I have previously unlocked the l3 cache and o/c ed the Athlon ( stock 2.8 / o/c 3.4 stable) on the GA 880 and the Asrock 770 I have not been able to unlock either of the 2 other cores in the phenom. They unlock but then BSOD. I have o/c ed this card to 3.5 ghz and the temps were stable using the GA 880 So guys and gals which combo do you think ? I have 8gb identical RAM and another 4 gb stick.