Building Gaming Machine, last bit of advice?

[nod25]

I'm building a new Gaming Machine. Here are the components I have picked out so far. If there are any incompatibilities or future problems that you guys can see, please let me know what you think:

Case: Thermaltake Kandalf VD4000BWS Black Chassis
http://www.newegg.com/product/product.asp?item=N82E16811133024

PSU: (Would like some advice and suggestions)

Motherboard: DFI LP UT NF680I LT SLI-T2 LGA 775 NVIDIA nForce 680i LT SLI ATX Intel Motherboard
http://www.newegg.com/product/product.asp?item=N82E16811133024

Processor: Intel Core 2 Duo E6600 Conroe 2.4GHz
http://www.newegg.com/product/product.asp?item=N82E16819115003

CPU Cooler: (Would like some advice and suggestions)

Memory: EITHER
Kingston HyperX 4GB(2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800
http://www.newegg.com/product/product.asp?item=N82E16820104001

OR (Which would be better and is this compatible?)

CORSAIR XMS2 4GB(2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800
http://www.newegg.com/product/product.asp?item=N82E16820145176


Graphics card: XFX PVT80USHE9 GeForce 8800Ultra 768MB
http://www.newegg.com/product/product.asp?item=N82E16814150236

Hard drive: Seagate Barracuda 7200.9 ST3500641AS 500GB 7200 RPM X 2 in a RAID 0 Configuration
http://www.newegg.com/product/product.asp?item=N82E16822148108

Sound Card: Creative Sound Blaster X-Fi XtremeGamer 7.1 Channels 24-bit
http://www.newegg.com/product/product.asp?item=N82E16829102006

Physics Card: BFG Tech BFGRPHYSX128P PhysX Processing Unit 128MB 128-bit
http://www.newegg.com/product/product.asp?item=N82E16814143055

 

[LinkedKube]

Everything looks good, psu you're gonna need 650 watts of power, Dont skimp on the psu, prob gonna pay 100+ for a decent one. Aftermarket cpu cooler, if you're lookin for fan, the zalmans are pretty good, the xfx card I recommend as I have the same one. Looks pretty good. I hope all goes well.

 

[nod25]

Excellent, thankyou. What about for the memory?

 

[nod25]

What do you think about this power supply?

OCZ GameXStream OCZ700GXSSLI ATX12V 700W
http://www.newegg.com/Product/Product.aspx?Item=N82E16817341002