but it won't be future proof then? I doubt it would even be able to run every game at a butter smooth 60fps now.
*shrug* I don't know what you are expecting, magic? You need to give up somewhere. The PSU and memory were the best places to save money. CPU could save money as well. Up to you. --- You can buy a $500 console and a $500 computer and have two crap machines, or you can spend $1000 building your own computer and have the best of both worlds.
If you want it to be future proof it may be a good idea to go for an i5 and get higher vram on the video card battlefield 3 is already asking for 3gbs.
Also you could probably get a newer version of the Intel processor is. Ivy bridge or haswell --- I5 3570k 4.2 Ghz | 2 Gtx 670 ftw 's sli| 1 TB HDD | 16 GB RAM | corsair TX 750 | Samsung 840 pro 256GB | Asus P8 Z77V - LK | Cooler master HAF Tower