ok well i plan on buying this from newegg to unlock the extra cores and save a 100$. first has anyone tried unlocking with this mobo? ASRock A790GMH
i plan on using this setup
AMD Phenom II X2 550 Black Edition Callisto 3.1GHz
CORSAIR CMPSU-400CX 400W ATX12V V2.2 80 PLUS Certified
G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500)

would everything run smoothly and wats teh best mobo to use for unlocking the extra cores. like wat has the highest percentage of working