Online Data Storage?

Just received a great question from Danny regarding online data storage.
Danny writes:
Mike…
Always appreciate and enjoy your newsletters.┬áDo you use and/or recommend/discourage any of the online backup/restore services like Carbonite or Mosy? I gotta do “something” beyond my on-site hard drive mirroring using external drives. Want to cover my assets in case of fire or theft.
I’d [...]