hi im currently rebuilding my pc, i have a case and a dvd burner and a graphics card a gefore fx5700 agp and 1 gig ddr ram. i want to get a new cpu and motherboard. im not sure wat will be compatible and i want my ddr ram to work so i dont have to buy new ram, ive found a few motherboards i like and cpu if u could help me out with this it would be great. mb- ASUS P5N-E SLI Motherboard Gigabyte GA-965P-S3 (Rev3.3) cpu Intel Core2 Duo E6420 any suggestions or help would be appreciated. thanks! with a budget of 500 to 800 aud.