"Finally" was what I thought when I downloaded the new version of iTunes which prompted me to back up my music. I need constant reminders to back up, and I like programs that provide them to me.

Backing up your work is becoming easier, too. Walter S. Mossberg at the Wall Street Journal checked out two online backup services that offer unlimited capacity -- no quotas or limits at all -- for around $50 a year.

See his thoughts here (Post-Gazette.com)