You should check out FSP Aurum Gold 1200W. My runs 4 x 7950 Vapor-x and it is doing great. It has single rail of 100A 8 x 8pin pcie cables and it is pretty quiet.
Thanks for the suggestion. I decided to go ahead with the Rosewill model.
and this one:
Rosewill LIGHTNING-1300 1300W ($219.99)
http://www.newegg.com/Product/Product.aspx?Item=N82E16817182063