Artifacting how? If it's blue snow and blue lines, I've found my issue wasn't the card at all. The drivers seem to be my problem, because I could uninstall the drivers and get the auto-detected older version to fix it till reboot.
My monitor is a bit older, and it might have something to do...
Major differences from the 6970 (the xtreme II) to the 7970 kit are as follows:
The VRMs are much lower profile, so you need to use the insulating tape over the surface mount resistors left and right of them. I found this a bit annoying.
The socket mount has a backplate, sponge, and a lip...
I've got mine and just finished installing it last night.
I'm letting the paste settle in a bit before any burn-in testing, but idle temps have dropped easily 10+ degrees, and it is much quieter overall.
The hex review has some major issues that I've contacted them about. They used the wrong...