Try to convince me to build your rig the cheaper the better!
My $380 AMD build.
AMD A8 5600K APU in Dual graphic mode with an hd 6670 - $100 + $80
2x4 kingston hyperx ddr3 1600mhz - $20
wd caviar blue 7200rpm 500gb - $50
ecs a75f2-m2 mobo - $80
ultra ls 500w psu - $20
thermal take v3 black case - $30
Runs skyrim on ultra 1080p @ 30fps avg.
BF3 ultra 1080p @ 35-45 fps avg (online 64 ppl)