Retrospect assumes a backup device of some kind. I have a 200 Gab FireWire drive that I use for the purpose. It makes backups pretty painless. -Joel >> Amazing, so Retrospect goes through say, a 20 GB drive's worth of >> fragmented files and does what? It moves each non-contiguous file >> into what open drive blocks to get them in a contiguous state? Is it >> faster than Speed Disk?