Jake Ludington’s MediaBlab has a how-to for backing up your PC’s data files to a MiniDV tape, which has double or triple the storage of a DVD:
Tape storage still has advantages, particularly if you want to make a more permanent archive to store in a lockbox in case of fire. Instead of investing in a tape drive and expensive tape media, your Digital Video camera and affordable MiniDV tapes provide a resource for 10-15GB backups compatible with millions of drive units available in homes all over the country.
