HIS X850XT with modded cooling solution (kinda like NvSilencer) $197 after $40 rebate
http://www.newegg.com/Product/Product.asp?Item=N82E16814161164
Sapphire X850XT ($199)
http://www.newegg.com/Product/Product.asp?Item=N82E16814102483
REFURB Sapphire X850XT ($182.38)
http://www.newegg.com/Product/Product.asp?Item=N82E16814102483R
These Cards OC very well, if you read reviews you will see 610/620 Overclocks on these things, which brings them to 7800 GT performance and better
http://www.newegg.com/Product/Product.asp?Item=N82E16814161164
Sapphire X850XT ($199)
http://www.newegg.com/Product/Product.asp?Item=N82E16814102483
REFURB Sapphire X850XT ($182.38)
http://www.newegg.com/Product/Product.asp?Item=N82E16814102483R
These Cards OC very well, if you read reviews you will see 610/620 Overclocks on these things, which brings them to 7800 GT performance and better