the both gtx 480 need a big big power house and coming too hot in a small pc case like you choosed
anyway i did some changes
PCPartPicker part list:
http://pcpartpicker.com/p/dNFbdC
Price breakdown by merchant: http://pcpartpicker.com/p/dNFbdC/by_merchant/
CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($209.99 @ Amazon)
CPU Cooler: Cooler Master Hyper N520 43.8 CFM Sleeve Bearing CPU Cooler ($39.98 @ OutletPC)
Motherboard: ASRock Z97M Pro4 Micro ATX LGA1150 Motherboard ($92.99 @ SuperBiiz)
Memory: G.Skill Ripjaws X Series 16GB (4 x 4GB) DDR3-2133 Memory ($161.98 @ Newegg)
Storage: Seagate 4TB 3.5" 5900RPM Hybrid Internal Hard Drive ($164.99 @ Amazon)
Case: Cooler Master HAF XB EVO ATX Desktop Case ($69.99 @ Newegg)
Power Supply: Antec HCG M 850W 80+ Bronze Certified Semi-Modular ATX Power Supply ($59.99 @ NCIX US)
Optical Drive: LG UH12NS30 Blu-Ray Reader, DVD/CD Writer ($39.98 @ OutletPC)
Operating System: Microsoft Windows 8.1 (32/64-bit) ($104.98 @ OutletPC)
Other: (2) SLI EVGA GeForce GTX 480 1.5GB Video Card (Purchased For $50.00)
Total: $994.87
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-11-30 20:59 EST-0500