Minor correction: Gmail has an offline mode that gives archive access. Personally, I use my web apps for backup already -- images go on Picasa so I don't have

Minor correction: Gmail has an offline mode that gives archive access. Personally, I use my web apps for backup already -- images go on Picasa so I don't have to worry about whether my local drive is going to die or not. (I already have Time Machine configured, but that's mostly for music.)