We’ve got two panelists lined up. Still looking for one or two more.
Talking with Rosa, she suggested using Google Hangouts instead of Skype for the shared video-chat part. I’m cool with that. I think most people who would be interested in this have a google account (if only for their Android phones).
I’ve ended up going with WebTrees. It’s based on the open-source GEDCOM platform. The learning curve is a little steep (for someone who knows nothing about genealogy), but it’s a well-established standard with a solid community and a decent interface.