So I'm looking to build my first PC, but have very little experience dealing with computer hardware. My budget is 1200-1400 dollars, give or take 100 dollars. The PC will be used mainly for gaming, but I would also like to be able to stream 1080p video onto a 42" Television/monitor. I do not need peripherals, but will require an operating system.
From the small amount of reading I have done so far, I plan on purchasing an i5-3570K processor and a mid-high to high end GPU. Recommendations on the components I would need to build the computer would be greatly appreciated.