wheter

i plan to get an hd 7770 or hd 7850 by march next year from my kuwait through my aunt.i ust want to know wheter i'll get it cheaper there or not

recently i was browsing the intel site & this 65 nm p4 made me curious model nos 631 3ghz 2mb L2 cache 800 mhz fsb 641 3.2 651 3.4 661 3.8 im just curious does any one know wheter these perform better than athlon 64 (90 nm cpu's) do they heat up less? how good r they?