is it worth upgrading to a 800pe.it will be used mostly on ut online at low res (cant see quick enough at 1280x1024).present pc NEO2 @ 2700 9800@ 455 400 water coolled +2 120 fan close to 9800.when i went from 9700np to 9800pro i didnt see much of a increase till i went to the 939 platform.like to keep present set up for 6+months.sli is to much money at present time to switch.Thanks for any adivise John