Beginner's revamped build

[fubukid100]

I've revamped my build from my last post. Everything basically looks to be in fine order, just once again before I do anything impulsively, I figured I'd consult the experts once again. Although my only real area of concern is my MoBo. Im not familiar with AMD motherboards in general, so im not sure of the 790 ATX is my best choice. For clarification my budget is 800-900$ and this will be used most primarily for gaming.

COOLER MASTER RC-690-KKN1-GP Black SECC/ ABS ATX Mid Tower
http://www.newegg.com/Product/Product.aspx?Item=N82E16811119137

Western Digital Caviar Black WD6401AALS 640GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive - OEM
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136319

GIGABYTE GA-MA790X-UD4P AM3/AM2+/AM2 AMD 790X ATX
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128387

EVGA 896-P3-1260-AR GeForce GTX 260 896MB 448-bit GDDR3 PCI Express 2.0 x16
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130370

CORSAIR CMPSU-650TX 650W ATX12V / EPS12V
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139005

G.SKILL PI Black 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231209

AMD Phenom II X3 720 2.8GHz 3 x 512KB L2 Cache 6MB L3 Cache Socket AM3 95W Triple-Core
http://www.newegg.com/Product/Product.aspx?Item=N82E16819103649 m

 

[Guest]

looks good. don't forget an OS

 

[smithereen]

I'd recommend either buying a Radeon video card, an nVidia motherboard, or a non-Crossfire motherboard.

 

[AKM880]

Nice build, and that motherboard is fine . For OS you could give W7 a try, but it expires on June 1, 2010, IIRC.