Building $730 Pc! I need advice

[McpvpAdamantlol]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD Phenom II X4 965 Black 3.4GHz Quad-Core Processor ($94.84 @ Amazon)
Motherboard: ASRock 960GM/U3S3 FX Micro ATX AM3+ Motherboard ($60.97 @ Newegg)
Memory: Crucial Ballistix sport 8GB (2 x 4GB) DDR3-1600 Memory ($56.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($67.98 @ Outlet PC)
Video Card: Sapphire Radeon HD 7870 XT 2GB Video Card ($238.99 @ SuperBiiz)
Case: NZXT Source 210 (White) ATX Mid Tower Case ($39.99 @ Amazon)
Power Supply: Corsair Builder 500W 80 PLUS Bronze Certified ATX12V Power Supply ($44.99 @ Newegg)
Monitor: HP L2201x 60Hz 21.5" Monitor ($99.98 @ Outlet PC)
Keyboard: Gear Head KBL5925W Wireless Standard Keyboard w/Laser Mouse ($24.99 @ Amazon)
Total: $729.72
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-04-28 09:18 EDT-0400)

This is pc is mostly for gaming
a little video editing like camtisa and sony vegas 11 color effects


will this system bottleneck my graphic card?

I already have a optical drive

my budget is $725
already have windows 7

should I change anything?

 

[McpvpAdamantlol]

ANYone want to help please?