800 dollar gaming rig for bf3/mw3

[KidSoap]

my friend wants to get a 800 dollar(canadian) computer for purely gaming purposes

parts he doesn't need

mouse,keyboard,OS,moniter



please help have a good day

 

[flyboy86]

What resolution is his monitor?

 

[Why_Me]

http://www.tomshardware.com/forum/261222-31-build-advice