Cpu: Intel core i5 3570k- $224.16
Ram: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory- $79.99
Gpu: MSI GeForce GTX 660 2GB Video Card- 215$
MSI Z77A-G45 ATX LGA1155 Motherboard- 105$
Samsung 830 Series 128GB 2.5" Solid State Disk- 130$
Western Digital Caviar Black 1TB 3.5" 7200RPM Internal Hard Drive- 85$
Cooler Master HAF XM (Black) ATX Mid Tower Case- 120$
Enermax 850W 80 PLUS Platinum Certified ATX12V / EPS12V Power Supply- 230$
Total: ~ 1189.15$ you can choose a cheaper case or psu maybe