Building my own computer

This is a good system If you can Build it:

Core i7 920 (2.66 GHz)

http://www.newegg.com/Product/Product.aspx?Item=N82E16819115202&cm_re=Core_i7_920_%282.66_GHz%29-_-19-115-202-_-Product




GIGABYTE GA-EX58-UD5 LGA 1366 Intel X58 ATX Intel Motherboard - Retail

http://www.newegg.com/Product/Product.aspx?Item=N82E16813128362



XFX HD-585A-ZNFC Radeon HD 5850 (Cypress Pro) 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video . Retail

http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&DEPA=0&Order=BESTMATCH&Description=xfx+5850&x=19&y=31




CORSAIR XMS3 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Triple Channel Kit Desktop Memory Model TR3X6G1600C9 - Retail
The ultimate Intel X58 Core i7 performance memory

http://www.newegg.com/Product/Product.aspx?Item=N82E16820145222




PSU -CORSAIR CMPSU-620HX 620W ATX12V v2.2 and EPS12V 2.91 SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC Compatible with Core i7 Power Supply - Retail

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139002

Or:

CORSAIR CMPSU-850HX 850W ATX12V 2.3 / EPS12V 2.91 80 PLUS SILVER Certified Modular Active PFC Power Supply - Retail

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139011



Western Digital Caviar Black WD6401AALS 640GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive

http://www.newegg.com/Product/Product.aspx?Item=N82E16822136319




Case- COOLER MASTER Storm Scout SGC-2000-KKN1-GP Black Steel / Plastic ATX Mid Tower Computer Case - Retail

http://www.newegg.com/Product/Product.aspx?Item=N82E16811119196


Or:

Antec 900 -Antec Nine Hundred Black Steel ATX Mid Tower Computer Case - Retail

http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&DEPA=0&Order=BESTMATCH&Description=Antec+900&x=13&y=34


Cheers..