by Derek Chirnside.
Another option:
We get a mirror of one of our moodle sites on a portable HDD. It's reasonably easy to get this set up to be a self contained unit.
I've discovered that no matter how many requests we have for users to save their absence and grade results on the dept server, there is still some need to look up olddata.
Mentally it gives a nice start to the year.
-Derek