PCPartPicker part list:
http://pcpartpicker.com/p/VMbK23
Price breakdown by merchant: http://pcpartpicker.com/p/VMbK23/by_merchant/
Benchmarks: http://pcpartpicker.com/p/VMbK23/benchmarks/
CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($233.97 @ OutletPC)
Motherboard: ASRock Fatal1ty Z87 Killer ATX LGA1150 Motherboard ($124.02 @ Newegg)
Memory: Team Xtreem Dark Series 8GB (2 x 4GB) DDR3-1600 Memory ($64.99 @ Newegg)
Total: $422.98
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-06-09 11:18 EDT-0400)
8gb of memory, great i5 but if your not overclocking i would get the i5-4670 non k and a H1/H7 mobo. The Fatal1ty Z87 Killer allow for sli so you can still use those GTX 8800 in sli