yes get the 7600gt no doubt and IMO you should get this PSU you can always paint PSU's just make sure you use the right paint. i belive car paint works the best but look at tutorials before you try it.
much better brand good watts and amps. you can also upgrade to a pci e card that needs a pci e power connector and even sli pci e cards
get the 3600 brisbane it is a couple bucks cheaper cooler than the windsor core and you can easily OC to that speed and even beyond that. look at my sig i got that cpu up to 2.7. dont expect those results though with the stock cooler. but you could easily get it up to 2.4 EASY!