Alyson said:...The Apple care specialist says there is an known issue with the 850XT that is being addressed but with no known timetable.
Great. I ordered the computer on the 26th with the X850XT. Hopefully I wont experience any problems. It's nice to know that they will take care of the issue in a timely fashion though if any arise.
Thanks for the heads up, I'll keep a look out for artifacts.
-bloodfist