Him, Theres nothing wrong with the the XFX 6600gt, i have one and it's fantastic. Take a look at the links below......
http://www.bit-tech.net/review/383/
http://www.anandtech.com/video/showdoc.aspx?i=2295
http://www.bit-tech.net/review/383/
http://www.anandtech.com/video/showdoc.aspx?i=2295