did you look to X58A-Ud3R
http://www.gigabyte.com.tw/Products/...ProductID=3305 it has usb3.0 and reasonable priced vs otner ones.
Btw models with X58A is new ones with usb 3.0 ,x58 ones first models without usb 3.0
http://www.gigabyte.com.tw/Products/...pe=socket+1366 1366 motherboard pages of gigabyte