No don't go with AMD, that processor is outdated. Go with a newer C2D and scrap that PSU, it is bad, get something better than that. And also, dont get that video card, the x1300 isnt a gaming card, get a 7900 or something instead.
Sounds like majority of hardware threads doesnt it...

Mess with the best, die like the rest.
Core 2 Duo E6600
Gigabyte 965 DQ6
2GB Mushkin DDR2 800
eVGA 7900 GT KO
250GB Seagate Barracuda 7200.10
Silverstone Zeus 750W
Thermaltake shark case modded with green fans and