The FX6300 is two years old now. I would save money by getting a new i3 + H97 motherboard that will support the next gen Intel cpus.
PCPartPicker part list:
http://pcpartpicker.com/p/wVLgQ7
Price breakdown by merchant: http://pcpartpicker.com/p/wVLgQ7/by_merchant/
CPU: Intel Core i3-4150 3.5GHz Dual-Core Processor ($118.98 @ SuperBiiz)
Motherboard: ASRock H97 PRO4 ATX LGA1150 Motherboard ($76.66 @ Newegg)
Memory: A-Data XPG V2 8GB (2 x 4GB) DDR3-1600 Memory ($69.99 @ Amazon)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($52.92 @ Amazon)
Video Card: MSI Radeon R9 280 3GB TWIN FROZR Video Card ($199.99 @ Newegg)
Case: Cougar Solution (Black) ATX Mid Tower Case ($37.99 @ Mwave)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($35.99 @ Newegg)
Total: $592.52
Prices include shipping, taxes, and discounts when available