Saving your source code is good to do but in case of a meltdown I'd hate to think you would have to re-code everything, and having the code on paper doesn't help with form design and table structure and linking. There is nothing more important than a good backup strategy. In my business I have Raid 5 hard disks in my server to protect against disk failure, full nightly tape backups to protect against file corruption or accidental file deletion and quarterly full archival on cd's just because they are so cheap and I can go back indefinitely. The last but most important tip is to never store your backup media next to the computer, store it off-site to protect against building meltdown.