I have been lookin to, all I have found is that the differences between cards of the same "stature" GF 6 series and the X Series, there is not much difference that you as a person will really see.
Saying that I pick up my X1300 Pro tomorrow and will let you know what it is like as I have been a die hard NVidia fan for years.
Chris (formerly R@nSiD)
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When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)