New PC Setup. Please give feedback

I should be receiving my refund next week from the people that sent me the POS computer last week. I have decided to save money and build it myself with the help of a few friends. Here are the parts I have picked out.

AZZA Solano 1000 Black/Black Japanese SECC Steel/Metal mesh in front ATX Full Tower Computer Case http://www.newegg.com/Product/Product.aspx?Item=N82E16811517004

ASUS M4N98TD EVO AM3 NVIDIA nForce 980a SLI ATX AMD Motherboard http://www.newegg.com/Product/Product.aspx?Item=N82E16813131636

CORSAIR CMPSU-850TX 850W ATX12V 2.2 / EPS12V 2.91 SLI Ready CrossFire Ready Active PFC Power Supply http://www.newegg.com/Product/Product.aspx?Item=N82E16817139009

Arctic Silver 5 Thermal Compound - OEM http://www.newegg.com/Product/Product.aspx?Item=N82E16835100007

CORSAIR XMS3 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 Desktop Memory Model CMX8GX3M2A1333C9 http://www.newegg.com/Product/Product.aspx?Item=N82E16820145315

AMD Phenom II X4 955 Black Edition Deneb 3.2GHz 4 x 512KB L2 Cache 6MB L3 Cache Socket AM3 125W Quad-Core Processor AMD Phenom II X4 955 Black Edition Deneb 3.2GHz 4 x 512KB L2 Cache 6MB L3 Cache Socket AM3 125W Quad-Core Processor

OCZ Vertex 2 OCZSSD2-2VTX100G 2.5" 100GB SATA II MLC Internal Solid State Drive http://www.newegg.com/Product/Product.aspx?Item=N82E16820227529

Before Mail In Rebates Price = $936.93
Total Mail In Rebates = $80
Final Price = $856.93

I already own the following:

ASUS ENGTX460 DirectCU TOP/2DI/1GD5 GeForce GTX 460 (Fermi) 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card http://www.newegg.com/Product/Product.aspx?Item=N82E16814121389

24x DVR RW Sata

Western Digital Caviar Green WD5000AADS 500GB 32MB Cache SATA 3.0Gb/s 3.5" Hard Drive -Bare Drive http://www.newegg.com/Product/Product.aspx?Item=N82E16822136358&cm_re=WD_500gb_sata-_-22-136-358-_-Product

I will be installing Windows 7 Professional 64-bit

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