Complete backup of data on an external USB hard disk. Partial backup of important data on Mozy (http://mozy.com)

External USB hard disk are cheap and often come with a built-in backup software. For a more secure backup, consider buying at least 2 externals hard disks and always put one in an external location.

>For those who didn't see my post yesterday, I am buying a new computer to get the most out of Visual Studio. Thanks for the great responses. I am now evaluating my options for a backup system. What do people recommend?
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>What sort of media should I backup to? I want media that is fast and convenient and I want to be able to keep copies off site.
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>What sort of software are people using? Again, it has to be convenient and easy to manage or I tend to skip doing backups.