I'm a bit of a backup loon (SuperDuper! nightly clone and Time Machine to different external drives + Subversion + .Mac + all text files backed up to a thumb drive I carry everywhere with me) so the Drobo looks very tempting for an added layer of safety.

"Can you set up a Mac so that if it is stolen, you can easily erase the contents of its hard drive from a remote location if the stolen Mac is connected to the internet? Answer: Absolutely!"