Gaming build in Shanghai, China. Need second opinion.

This is my first time building a desktop


Approximate Purchase Date: Before mid January

Budget Range: $1500

System Usage from Most to Least Important: Gaming, watching movies, design and video editing (for fun).

Parts Not Required: Mouse, Speakers, keyboard

Country of Origin: Shanghai, China
Price is probably cheaper than America



Monitor: Samsung 27" LED S27A350H- $300
Monitor Resolution: 1920x1200

Case: Need Advice. I want simple design, excellent cooling. BUDGET- $120
Fan- Need Advice

Graphics Card: Asus Radeon HD6950 1GB- $275 / Asus GTX560 Ti 1G DDR5- $265 / Asus Radeon HD6950 2G- $350 (is it too much?)

CPU: Intel Core i5-2500K-$250 or i7 2600k-$340? (I'm leaning toward i5-2500k, is it going to be a huge difference?)

Mother Board: P8Z68-V Pro- $250

PSU: CoolerMaster 650W- $62 (Is it enough?)

CPU cooling: Do I need one?

HDD: WD1002FAEX 64M 1TB SATA3- $85

RAM: Kingston DDR3 1600 4G x3- $95

CD/DVD ROM: Blue Ray Reader- $47