Backpackin' it.
Just like everybody and his mother has photo maintenance software and sites, there are too many PIMs and organizers from which to choose.
Even though TaDa lists didn't do it for me (and I essentially wrote my own), I'm liking the possibilities with their new backpack site. (Warning, link is to my own backpack site, as an experiment. You should see the main site to really get a feel for it.)