Cool... I now have Plankton running on my N800 courtesy of mfresh.

So that I don't have to search for every package I've installed from repositories that might disappear, I've been backing up to my SD card at /media/mmc1/packages. I've also decided to mirror it. In case anyone else is interested, here's all of the packages I currently have installed on my N800:
http://www.innospyre.com/v3.0/N800_Packages/
...there are still a few I haven't mirrored yet, but I'll add packages to that site as I have time.

Thanks, again!