$450 Gaming PC Build

I'm looking to build a gaming PC for aroud $450 I don't need a OS or a monitor, and don't plan on overclocking.

I'll be playing games like Minecraft,Diablo III, TF2 and mostly PC exclusives most likely with mods.

http://pcpartpicker.com/p/oI2X

how much better with a 6670 in xfire for about 60$

http://pcpartpicker.com/p/oM5U you will be able to play much more with this build it's in your budget thanks to rebates and such and with the 600W PSU plenty of room for upgrades.

The compatibility error is a usb 3.0 header which doesn't matter you get get a different case with a usb 3.0 header if you want though.

This is what I would build on a $450 budget: http://pcpartpicker.com/p/p2Qf

http://pcpartpicker.com/p/p3Oq

+ case: Ante One or other with USB 3.0