PCPartPicker part list:
http://pcpartpicker.com/p/4GmynQ
Price breakdown by merchant:
http://pcpartpicker.com/p/4GmynQ/by_merchant/
CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($229.99 @ SuperBiiz)
Motherboard: ASRock Z97 Anniversary ATX LGA1150 Motherboard ($87.98 @ Newegg)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($45.89 @ OutletPC)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.89 @ OutletPC)
Video Card: MSI Radeon R9 380 4GB Video Card ($209.99 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($54.99 @ Newegg)
Power Supply: Corsair CX 500W 80+ Bronze Certified Semi-Modular ATX Power Supply ($34.99 @ Newegg)
Optical Drive: LG GH24NSC0B DVD/CD Writer ($16.89 @ OutletPC)
Total: $730.61
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-10-01 16:46 EDT-0400
Gets you the 4690k which imo is a pretty decent upgrade.