New Build, suggestions and advice

[Diverse]

So basically I was looking to build a new computer so I decided to make a preliminary list of components I would get. Some of the components I already bought about a week ago and I want to see if I made a dumb choice in buying those.


CPU: Intel Core i7-920 $246
http://cgi.ebay.com/Intel-Core-i7-920-I7-920-2-66-GHz-Processor-BX80601920_W0QQitemZ120482783467QQcmdZViewItemQQptZCPUs?hash=item1c0d5560eb


Cogage TRUE Spirit CPU Cooler (Socket LGA 1366) $39.99
http://www.heatsinkfactory.com/cogage-true-spirit-cpu-cooler-socket-lga-1366.html

Thermal Compound: ?

Motherboard: ASRock X58 Extreme LGA 1366 Intel X58 ATX Intel Motherboard $170.00
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157163

RAM: G.SKILL 12GB (6 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory $250.00
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231260

Graphics Card: ASUSTeK NVIDIA GeForce GTX 285 1 GB
Got a deal from a friend for $230

Hard Drive(s): SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5"
http://www.newegg.com/Product/Product.aspx?Item=N82E16822152185

Optical Drive: SAMSUNG Black 22X DVD+R 8X DVD+RW 22X DVD-R 16X DVD-ROM 48X CD-ROM 2MB Cache SATA DVD Burner LightScribe Support $28.99
http://www.newegg.com/Product/Prod [...] 6827151188

Case: Antec Twelve Hundred Black Steel ATX Full Tower Computer Case $160.00
http://www.newegg.com/Product/Product.aspx?Item=N82E16811129043
Got it this morning.

Power Supply: Antec CP-850 ATX12V & EPS12V Power Supply $113.00
http://cgi.ebay.com/NEW-Antec-CP-850-ATX12V-EPS12V-Power-Supply_W0QQitemZ350219328705QQcmdZViewItemQQptZPCA_UPS?hash=item518ab2dcc1
Got it yesterday.

All that comes out to $1319. Just want to know if I should get a HD 5850 or a new keyboard/mouse.
Also do I need any cpu fans?

Thanks.

EDIT-added ASRock X58 Extreme LGA 1366 Intel X58 ATX Intel Motherboard
EDIT-changed the cpu cooler from Prolimatech Megahalems to the Cogage cooler.
EDIT-changed hdd

 

[tecmo34]

Three things I recommend looking at changing:
■I recommend this heat sink. Similar performance at less price... Cogage TRUE Spirit CPU Cooler (Socket LGA 1366)
■You don't need 12GB of RAM, specially at CAS9... I would just recommend picking up 6GB of G.SKILL 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Triple Channel Kit Desktop Memory Model F3-10666CL7T-6GBPK - Retail
■Change your hard drive to SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive. It is a faster hard drive do to having two 500GB platters versus four 250GB platters.

My MOBO recommendations:
■ASRock X58 Extreme LGA 1366 Intel X58 ATX Intel Motherboard - Retail
■ASUS P6T LGA 1366 Intel X58 ATX Intel Motherboard - Retail

 

[Diverse]

Three things I recommend looking at changing:
■I recommend this heat sink. Similar performance at less price... Cogage TRUE Spirit CPU Cooler (Socket LGA 1366)
■You don't need 12GB of RAM, specially at CAS9... I would just recommend picking up 6GB of G.SKILL 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Triple Channel Kit Desktop Memory Model F3-10666CL7T-6GBPK - Retail
■Change your hard drive to SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive. It is a faster hard drive do to having two 500GB platters versus four 250GB platters.

My MOBO recommendations:
■ASRock X58 Extreme LGA 1366 Intel X58 ATX Intel Motherboard - Retail
■ASUS P6T LGA 1366 Intel X58 ATX Intel Motherboard - Retail

Well I found 12GB of ram with 7-7-7-20 timings also. The reason I want 12GB is because I might use 6GB for another computer. I guess it would be better to go with 2 seperate 6GB kits.

Also I was wondering, if I use two 6GB kits in one computer(same type, model, company), would they work together as 12GB of ram?

Also would I need any more fans?