I use an external USB2.0 HD enclosure with a plain old cheap IDE drive. It's hot-swappable due to the USB-ishness, and the USB2 transfer speeds are very good. When I end up needing more than 80GB of backup in the future, I'll just swap in a larger IDE drive.
Adding offsite backups would be as easy as getting another drive/enclosure and taking it to a friend/neighbor's house between backups.
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I use an external USB2.0 HD enclosure with a plain old cheap IDE drive. It's hot-swappable due to the USB-ishness, and the USB2 transfer speeds are very good. When I end up needing more than 80GB of backup in the future, I'll just swap in a larger IDE drive.
Adding offsite backups would be as easy as getting another drive/enclosure and taking it to a friend/neighbor's house between backups.