New build picked out please give me some input THANKS!

Here is my build, i play games such as WoW, Guild wars 2, might try BF3 or skyrim someday. please let me know what you think, im a little iffy on the video card, power supply and if everything should fit in that case nicely.

also for the price its not 895.00 there is an instore discount for the MB and CPU so its really 855 and i could cut down cost with a different case but the haf 912 but it wont fit right with my MB.

http://pcpartpicker.com/p/BWKl

PCPartPicker part list: http://pcpartpicker.com/p/BWKl
Price breakdown by merchant: http://pcpartpicker.com/p/BWKl/by_merchant/
Benchmarks: http://pcpartpicker.com/p/BWKl/benchmarks/

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($189.99 @ Microcenter)

CPU Cooler: Cooler Master Hyper 212 Plus 76.8 CFM Sleeve Bearing CPU Cooler ($24.98 @ Outlet PC)

Motherboard: Asus P8Z77-V LK ATX LGA1155 Motherboard ($109.99 @ Microcenter)

Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($53.99 @ Newegg)

Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($75.00 @ Amazon)

Video Card: Sapphire Radeon HD 7870 XT 2GB Video Card ($244.99 @ Newegg)

Case: Cooler Master HAF 922 ATX Mid Tower Case ($79.99 @ Newegg)

Power Supply: Cooler Master Silent Pro M 700W 80 PLUS Certified ATX12V Power Supply ($74.99 @ Newegg)

Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($16.98 @ Outlet PC)

Total: $870.90 - 40 = 830 < dont know why it says 870 with this plain text

(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-02-06 23:30 EST-0500)