Seems pretty solid. as few suggestions:
I would go with this PSU. already has a power cord and is very solid.
XIGMATEK NRP-PC Series ACXTNRP-PC402 400W http://www.newegg.com/Product/Product.aspx?Item=N82E16817815007
and I tend to favor Sapphire for AMD cards its $5 more and has better reviews. I put one in a clients machine a few months back and had no issues with it.
SAPPHIRE 100328L Radeon HD 6770http://www.newegg.com/Product/Product.aspx?Item=N82E16814102940
you need to run 2 memory chips in dual channel mode otherwise your performance will suffer BAD.
Crucial Ballistix sport 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 Desktop Memory Model BL2KIT25664BA1339 $24.99 free shipping.http://www.newegg.com/Product/Product.aspx?Item=N82E16820148418
good MB/CPU combo