Wait.. do you have an SLi board??? I mean, seriously.. if you do, get two 6800GTs..
Or, go all out and get the BEAUTIFUL 7800GTX, which puts the x850XT PE to shame and is ready for SLi as well..
REVIEW FROM PERSON ON NEWEGG: READ AND WEAP ATI FANS!
I upgraded from an ATI X850XT to this card and I definitely see a difference when playing games (especially BF2). To give you an idea of the performance jump...
3DMark05 X850XT = 6100+
3DMark05 7800GTX = 7900+
Those were taken running completely stock. Incredible for a single card solution. As usual, Newegg delivered the goods licky-split! Newegg fr life!!
Now, here is a link to this BADASS CARD!