PCPartPicker part list:
http://pcpartpicker.com/p/zzJVGX
Price breakdown by merchant: http://pcpartpicker.com/p/zzJVGX/by_merchant/
Benchmarks: http://pcpartpicker.com/p/zzJVGX/benchmarks/
CPU: Intel Core i5-4690 3.5GHz Quad-Core Processor ($209.00 @ Amazon)
Motherboard: ASRock H97M PRO4 Micro ATX LGA1150 Motherboard ($87.98 @ SuperBiiz)
Memory: Team Vulcan 8GB (2 x 4GB) DDR3-1600 Memory ($64.99 @ Newegg)
Storage: Kingston SSDNow V300 Series 120GB 2.5" Solid State Drive ($64.99 @ Micro Center)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($55.99 @ NCIX US)
Video Card: XFX Radeon R9 280 3GB Double Dissipation Video Card ($229.99 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($57.99 @ Micro Center)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ NCIX US)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($14.98 @ OutletPC)
Total: $845.90