Building my first gaming pc, need advice

[manmanjumbo]

This is my build at the moment, I need to know whether I'm getting the best stuff for the price, what to cut down on and stuff like that. I will be using the pc for gaming so games such as: bf3/4 crysis 3, far cry, mass effect. My budget is around 600-700 sterling. All feedback is appreciated

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor
MOTHERBOARD: Asus SABERTOOTH Z77 ATX LGA1155 Motherboard (https://www.asus.com/Motherboards/SABERTOOTH_Z77/)
MEMORY: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory (http://www.gskill.com/products.php?index=355)
HDD: Western Digital Red 2TB 3.5" 5400RPM Internal Hard Drive (http://www.ebuyer.com/390985-wd-red-2tb-3-5in-sata6-wd2...)
GRAPHICS CARD: Asus GeForce GTX 660 Ti 2GB Video Card (https://www.asus.com/Graphics_Cards/GTX660_TIDC22GD5/)
CASE: Cooler Master Elite 430 ATX Mid Tower Case (http://www.coolermaster.com/product.php?product_id=6654)
PSU: Corsair Enthusiast 650W 80 PLUS Certified ATX12V / EPS12V Power Supply
(http://www.newegg.com/Product/Product.aspx?Item=N82E16817139020)

 

[Dangman]

Thread moved to General Hardware.

Please answer the stickied "ANSWER THESE QUESTIONS FIRST!" so that we can help you better.

 

[Tradio]

if its mainly for gaming i would get a better GPU and go down a few levels on the cpu