Booting shipped live CDs?

[Matt Galvin]

> I just got my free shipment of Ubuntu CDs.  Unfortunately, NONE of the
> live CDs that were shipped can successfully boot and get stuck at
> "Retrieving casper" (the part immediately after I choose my language).
> After half a minute of funny noises coming from my drive while at
> that stage, I am told there is a read error and to retry.  So, I
> retried...10 times and it never gets past that stage.  I see no
> visible scratches or anything on any of the CDs yet they all fail at
> exactly the same spot when booted.

> I had no problems booting Ubuntu's live CD that I downloaded straight
> from www.ubuntu.com and burned myself onto a CDR.

> Did anyone else have this same problem with their shipped live CDs?

Yes, none of my live CD's work either :(

Matt