I've received the following from the Support team this morning.....
''We understand your concern related with PowerDVD 8 Ultra software.
In response to your concern, we regret to inform you that the registration records are not showing the CD-Key of PowerDVD 8 Ultra due to a Bug of the software.
We are going to release an upgrade patch/build of PowerDVD 8 Ultra on 30th April'08 in order to resolve this issue.
Therefore, we suggest you to keep visiting our website "www.cyberlink.com" for any further updates regarding the availability of this upgrade patch.''
Lets hope this will sort out all the problems.....
Steve