Whats wrong with the Athlon X2 4200+? Nothing if that is what you can afford. IMHO. The only real difference being the size of the L2 Cache 512kb vs the 1mb of the 4400+. If you can get the 4400 sure get it, if not, 4200 is better than nothing. Personally I like the Asus A8N Sli deluxe, but the DFI's are nice.