What Resolution do you play at? The Phenom2 will probably bottleneck either way, but if you're playing at 1080p you're probably buying way more video card than you need anyway. At least in the Short to Mid-term, eventually games would make use of them.
FX 8320@4ghz||Zalman LQ310||AsusM5A99X EVO R2||XFX 5870 1gb||16gb Corsair Vengeance DDR3||Seasonic M12 II 500watts||Zalman Z9 Plus||Asus MS238H
Science inspires us towards a better tomorrow, Fundamentalism wants us to die.