BaPC, To build my pc I will need to pay for the hardware every couple of months. What should I buy 1st? Intel Core i7-3770K 3.5GHz Quad-Core Processor

Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler

ASRock Z77 Extreme4 ATX LGA1155 Motherboard

Samsung 8GB (2 x 4GB) DDR3-1600 Memory

Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive
Samsung 830 Series 128GB 2.5" Solid State Disk

Asus Radeon HD 7850 2GB Video Card

NZXT Phantom (Black/Orange) ATX Full Tower Case

Corsair 650W ATX12V / EPS12V Power Supply

Samsung SH-B123L/RSBP Blu-Ray Reader, DVD/CD Writer

Microsoft Windows 7 Home Premium SP1 (64-bit)

These are things (Copied from a Word Doc) that I Will need to be getting. I should be able to get everything bu the end of the year. What should I buy 1st, 2nd, 3rd, 4th, etc. 