I don't bother backing up the full system, just the user generated data. I am storing lots of data as flatfiles rather than shoving them into the database, so

I don't bother backing up the full system, just the user generated data. I am storing lots of data as flatfiles rather than shoving them into the database, so rsync helps there. I like having a complete copy of all user-data on my home machine for development purposes as well as backup. So, I rsync all user generated content (they are 99% flatfiles so this is easy), as well as a daily mysql dump. My other founder and I both perform this daily, so at any point we are only exposed with a 1 day risk (seems acceptable at this point). This also gives us two separate off-site backups, which is nice.