If you all would be interested in interactive presentations, with chat rooms, power point and streaming video, feel free to check out the open source videocasting suite developed at UofT - ePresence. (www.epresence.tv) I have been working with the system for the past two years and quite enjoy it. Don't know about how difficult it would be to cast and archive an entire conference, I have edited the archives for the Knowledge Media Design Institute's open source conference in may ( http://www.epresence.tv/website_archived.aspx?dir=May~9-11,~2004:~Open~Sourc e~and~Free~Software:~Concepts,~Controversies~and~Solutions ) and it was a hell of a lot of work - with about 30 hours of streaming presentations and Q & A. It would be nice for key notes etc... At the OS conference we would take questions from the virtual audience through a mic set up near the front and a live moderator. Jeremy, I think you might be the person to talk to Peter Wolf (wolfpet@kmdi.utoronto.ca) about the costs and time involved in setting up a system. Labor and infrastructure may cost but the program itself is free (you'll need to but a helix licence to stream Real Player - ePresence streams in mp4 though, and I'm not sure the cost of Windows Media). Take Care, BERNiE Bernie Hogan Ph.D. Student Department of Sociology [NetLab, Knowledge Media Design Institute] University of Toronto -- Reply to Bernie.Hogan@Utoronto.Ca