I picked out a faster hard drive here in this list. But I mainly agree with Madmatt's choice of components
PCPartPicker part list:
http://pcpartpicker.com/p/BzwNkL
Price breakdown by merchant: http://pcpartpicker.com/p/BzwNkL/by_merchant/
CPU: AMD FX-6300 3.5GHz 6-Core OEM/Tray Processor ($98.99 @ SuperBiiz)
CPU Cooler: RAIJINTEK AIDOS BLACK 48.6 CFM Sleeve Bearing CPU Cooler ($16.99 @ Newegg)
Motherboard: Gigabyte GA-970A-UD3P ATX AM3+ Motherboard ($74.37 @ Newegg)
Memory: G.Skill Ripjaws Series 8GB (2 x 4GB) DDR3-1600 Memory ($31.99 @ Newegg)
Storage: Western Digital BLACK SERIES 1TB 3.5" 7200RPM Internal Hard Drive ($73.89 @ OutletPC)
Video Card: EVGA GeForce GTX 960 2GB Video Card ($188.98 @ Newegg)
Case: Sentey Stealth ATX Mid Tower Case
Power Supply: EVGA 500W 80+ Bronze Certified ATX Power Supply ($39.99 @ SuperBiiz)
Total: $525.20
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-05-03 11:55 EDT-0400