http://pcpartpicker.com/p/36pws is this a good build?

Same cost(or a little more). For better CPU and higher quality PSU. You can drop another 15$ of if needed.

PCPartPicker part list: http://pcpartpicker.com/p/3G7yU
Price breakdown by merchant: http://pcpartpicker.com/p/3G7yU/by_merchant/
Benchmarks: http://pcpartpicker.com/p/3G7yU/benchmarks/

CPU: AMD FX-8320 3.5GHz 8-Core Processor ($144.99 @ NCIX US)
Motherboard: Asus M5A99FX PRO R2.0 ATX AM3+ Motherboard ($126.98 @ SuperBiiz)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory ($68.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($55.00 @ Amazon)
Video Card: Asus GeForce GTX 760 2GB DirectCU II Video Card ($249.99 @ Micro Center)
Case: Rosewill Challenger-U3 ATX Mid Tower Case ($59.99 @ Newegg)
Power Supply: XFX TS 550W 80+ Bronze Certified ATX Power Supply ($69.99 @ Newegg)
Total: $775.93
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-05-08 08:32 EDT-0400)