Hi Nik,
Just one more question: Can you check if you have a folder /media/cdrom0 ? My /media/ is totally empty when nothing is mounted, so the enty in /etc/fstab will not mount successfully.
I do, as well as a /media/cdrom link pointing to /media/cdrom0. Don't know if it is something created automatically or if I had to do that manually long ago...
Cheers Michele