I don't want to star a new topic for the same question so I'll ask the same thing in here if that's ok.
This is my PC right now only I'll be adding a 8800gt or 9600gt
AMD 3800+ (single core)
2gb Mushkin DDR2 800 (PC2 6400) ram
Enermax Liberty 500w PSU
Asus M2N-E AM2 Motherboard
Here is a link to my PSU...please let me know if it's enough. http://www.newegg.com/Product/Product.aspx?Item=N82E16817194003