For real backup, I'd want something like ironmountain.com - a true disaster recovery solution - not cheap but...

I think most people wouldn't want their personal data, family photos etc. raided and strewn around the web, even if they don't have 'security' implications. I'd probably encrypt anything I stored offsite just as a matter of course.

"Democracy is a pathetic belief in the collective wisdom of individual ignorance." - H. L. Mencken