I use a Sony PC101E Mini-DV camcorder - as well as the MiniDV side of things it takes still pictures and MPEG movies and saves them to a Sony memory stick. I just plug it into my Pegasos through USB and Poseidon mounts it as a drive and I can drag'n'drop the pics and (mpeg) movies onto my HD.
I just hope that with MorphOS 1.5 (due before the end of the year) they include a firewire stack so I can grab the MiniDV footage too!