Hello, I just recently got a Macintosh Powerbook last week, and I cannot succesfully install World Of Warcraft on to it. The installation goes fine until disk 3, then it says the disk is dirty (and I just took it out of the box to put it in the drive) and i even exchanged the disks and it still has the same problom. I tried it on my friends Hp (which has windows) and the disks work fine! Anyone here have World Of Warcraft and this same problem? Its bothering the hell outta me.