These settings were all out of date. I no longer host the general public so have pulled them down.
You are responsible for all backups. Periodic RSYNC backups can be made automatically for dumps of MySQL databases, however this requires a very brief write-lock on the table being backed up. You should ask simon if you need this service.
It's recommended that you coordinate having at least a single copy of your site off the server as a working basis and keep both in sync anyway. CVS is also extremely useful for keeping versions of files if you are editing your site frequently. It is NOT recommended to make a backup of your site by FTPing down the entire thing, although this is possible mostly sites stay static. Keep a backup and only update files that have changed on the server.