i'm looking for a gaming rig in $550 with the monitor. i hope i get the HD 6850, if not then HD6790 will have to do. 4 GB RAM, and 450W psu will do, ut im stuck on the processor. i wanna play mw3 and bf3 and newer games on high settings and a guy told me a quad core CPU would be best, but with my budget, i cant fit in i5 at the moment.i live in PAkistan where AMD is rarely availible, and if it even is, it costs more. plz help me with this, or if you want to, can you plz plz give me suggestions on my rig. feel free...thanks