Yeah, i thik the same
Maybe the quality of the DVD isn't good ;(
Spend a little more buying a better DVD, that should work, also the slow burning,
anyway, i've burned my tiger isos and the leopard rev1 at 6x and no problem =) (my only problem was that my hd wasn't recognized by the tiger and leopard installations
good look
Reading, answering and waiting for the Rev2 from Mexico =)