[macdawg]

I'd be thinking along these lines:

case for 20
http://www.newegg.com/product/produc...82E16811164040

mobo for 44
http://www.newegg.com/product/produc...82E16813135148

vid card for 146
http://www.newegg.com/product/produc...82E16814150089

PSU for 38
http://www.newegg.com/product/produc...82E16817153006

processor for 107
http://www.newegg.com/product/produc...82E16819103377

ram for 85
http://www.newegg.com/product/produc...82E16820227039

HDD for 85 (I think this works with that mobo)
http://www.newegg.com/product/produc...82E16822135106

burner for 38
http://www.newegg.com/product/produc...82E16827151066

Subtotal: $532.96