I purchased the BFG 7900GS from NewEgg last week also and have been really happy with it so far.
It runs COH at 1600x1200 much better than my old 7300LE :)
I have mine clocked to 585 I believe...here at work so can't check it.
I switched it back to the VGA cable and it's working fine in COH and when anything else I am doing.
After I switched video cards I kinda figured it was the monitor. I guess I'll take it back to CC and exchange it for a new one. I don't feel like buying another DVI cable.
I have an XPS410 and bought a Samsung 204b 20.1" monitor to go along with it. I've had both for about a month now and everything has been great except every now and then the monitor goes blank for a split second and then comes back up. It won't do it very often but sometimes it does it back to...