My recommendation(s) - Mozy and/or Elephantdrive.  I use both (trust no one!) and have been happy with each.

Carbonite is a joke.  They throttle your transfer down to a crawl after 35 gb.  They sometimes "don't have your data."  

Can't speak to Backblaze or Norton (though Norton's pricing seems pretty high).

Have also heard good things about Crashplan (confirmed by posts in this forum.