offers its CrashPlan+ Unlimited Backup 1-Year Subscription
. That's $50 off and the best deal we've ever seen from CrashPlan. (We saw 20% off seven days ago.) CrashPlan offers real-time backup of your files, even from attached drives, and features version retention, web restore, and more.
Correction: Note that this is available only to current Carbonite members. We apologize for omitting this information.