Disc Read Errors? Your disc is dirty? This is what I'm getting. Apparently I'm not the only one as I found a blog with others having the problem. Of course the disc is spotless and my DVD drive is doing fine. I think it's a bad batch of discs. DAMNIT. I was hoping to have it installed today.
http://blog.sensestudios.com/2009/08/snow-leopard-installation-goes-badly/comment-page-1/#comment-32
http://blog.sensestudios.com/2009/08/snow-leopard-installation-goes-badly/comment-page-1/#comment-32