Buying new parts for pc

See http://www.tomshardware.com/forum/261222-31-build-advice

For $300 you can't get much. I'd try to save another $50 and get -

CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor ($166.95 @ SuperBiiz)
Motherboard: ASRock H97 PERFORMANCE ATX LGA1150 Motherboard ($79.99 @ Newegg)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($48.99 @ Newegg)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($58.99 @ SuperBiiz)
Total: $354.92