I also had an email saying from the site saying not used for a while but it came after I had used the site - funny I thought, must be a problem with one of their scripts not checking dates correctly or something. Reading this thread I now realise it was the 'or something' rather than your code.
http://www.motorhomefun.co.uk/images/smilies/rofl1.gif
I wish you well on the incremental restore, always a pain, especially if you do incremental incremental backups.
Good luck in locking down the system and preventing others from causing more grief.
