Yo.Sorry for bumping and stealing the attention of this ol' thread, but I've been having the very same issues, although only when running 3D games. I am on my fourth copy of the Matrix Platinum. Squares and textures being dragged all over the screen....
I've had three of these cards, and have experienced artifacting with them all. Am I just really unlucky, or does these cards have a pretty high rate of faulty VRAM? Or may it be motherboard and/or PSU related? From the looks of it, I am not the only ...