X1600XT finally made it to etail for US on Dec 6th. This is the Powercolor version and costs $179, much lower than the first msrp of $249 (cuz of 6800GS)
http://www.newegg.com/Product/Product.asp?Item=N82E16814131317
http://www.newegg.com/Product/Product.asp?Item=N82E16814131317