i want to upgrade my cpu what i have now is a older amd x2 4600+ 940 built on asus m2a-vm motherboard my video card is a sapphire ati 3870 hd and a sound blaster live se 7.1 and a 500 watt psu i hand built the computer a few years ago it always works like new and now its time to upgrade the cpu i did look on the forms and found out i can upgarde to a newer cpu with bios upgarde what i need help with and i dont have a lot of money to work with is cpu upgrade i was thinking about going with a amd phenom x3 720 black edition tripe core or the amd phenom x4 9750 2.4 ghz i like to find out what is the best cpu to use and the x9750 and x3 720 are the same price 1.29.99 tiger direct thank you have a nice day