$500 - $650 Gaming PC Upgrade

MyNameIsDann

Honorable
Jan 31, 2014
8
0
10,510
Hey tH, My name is Dan and I am in need for a $500 - $650 computer upgrade. I dont really know much about parts nor am I experianced in building these things I've figured I would ask you.

So What I dont need is:
An OS
An Optical Disk Drive
A Hard Drive
A Monitor

What I need:
GPU
CPU
PSU
RAM (8GB)
Case
Mobo

What I Have:
PCPartPicker part list: http://pcpartpicker.com/p/2KbPj
Price breakdown by merchant: http://pcpartpicker.com/p/2KbPj/by_merchant/
Benchmarks: http://pcpartpicker.com/p/2KbPj/benchmarks/

CPU: AMD FX-8320 3.5GHz 8-Core Processor ($155.57 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.99 @ Microcenter)
Motherboard: ASRock 970 PRO3 R2.0 ATX AM3+ Motherboard ($64.99 @ Newegg)
Memory: Crucial Ballistix Sport 8GB (2 x 4GB) DDR3-1600 Memory ($79.99 @ Newegg)
Video Card: MSI GeForce GTX 660 2GB Video Card ($189.99 @ Microcenter)
Case: Zalman Z11 Plus ATX Mid Tower Case ($54.99 @ Microcenter)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($19.99 @ Microcenter)
Total: $580.51
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-01-30 23:50 EST-0500)

If there is anything that I could do to make this any better please go ahead and tell me. My preferred merchants are: Newegg, Microcenter, Amazon. Thanks in advance!
 
If you can do this:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD FX-8320 3.5GHz 8-Core Processor ($139.99 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: ASRock 970 PRO3 R2.0 ATX AM3+ Motherboard ($64.99 @ Newegg)
Memory: Crucial Ballistix Sport 8GB (2 x 4GB) DDR3-1600 Memory ($79.99 @ Newegg)
Video Card: Asus GeForce GTX 760 2GB Video Card ($239.99 @ Newegg)
Case: BitFenix Shinobi Window ATX Mid Tower Case ($49.99 @ Newegg)
Power Supply: Corsair CX 600W 80+ Bronze Certified Semi-Modular ATX Power Supply ($49.99 @ NCIX US)
Total: $639.92
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-01-31 21:22 EST-0500)

-Better quality psu.
-Better quality case.
-Much stronger gpu.