why are you buying a pre-build PC? why arent you building your own? for 1500 bucks i can offer you something like this:
PCPartPicker part list:
http://pcpartpicker.com/p/FtGpWZ
Price breakdown by merchant: http://pcpartpicker.com/p/FtGpWZ/by_merchant/
CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($219.99 @ SuperBiiz)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($28.75 @ OutletPC)
Motherboard: Gigabyte GA-Z97X-SLI ATX LGA1150 Motherboard ($116.75 @ OutletPC)
Memory: G.Skill Ripjaws Series 8GB (2 x 4GB) DDR3-1600 Memory ($62.99 @ Newegg)
Storage: Kingston SSDNow V300 Series 120GB 2.5" Solid State Drive ($53.98 @ OutletPC)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($52.85 @ OutletPC)
Video Card: Asus GeForce GTX 970 4GB STRIX Video Card (2-Way SLI) ($348.99 @ NCIX US)
Video Card: Asus GeForce GTX 970 4GB STRIX Video Card (2-Way SLI) ($348.99 @ NCIX US)
Case: NZXT H440 (Black/Red) ATX Mid Tower Case ($108.99 @ SuperBiiz)
Power Supply: Corsair RM 850W 80+ Gold Certified Fully-Modular ATX Power Supply ($139.99 @ B&H)
Total: $1482.27
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-01-05 07:56 EST-0500
this build will be much better then the one you are considering, and it has a better cpu, better MoBo, another 970, better psu, and (at least i think) a much better case.
Hope this helps