Well I just recieved my Club3D X800Pro Vivo and I discovered that the babe on the cooler was actually a sticker. I removed it and behold The Tauren saying Ati Radeon. Just like those review models, so no X800 on the cooler. I even have a purple power connector.

Now it looks like this:



I made a backup of the original bios, flashed the gigabyte one followed by the X800XT PE bios. And everything is working smooth, 520/560Mhz no artifacts.