|"What do you guys think?"|
No! You REALLY need to do some research. The HD 2600XT is old news. ATI has already progressed thru the HD 2000 & HD 3000 series & is currently marketing the HD 4000 series. The HD2600XT is two generations old. The 8600GTS is better/faster.
Geforce 8600GTS vs ATI Radeon HD 2600XT
Check out the following article:
Best Graphics Cards For The Money: April '09