Owen,
http://www.wwwspycam.com/collaboration_software.htmhas some materials and resources links that might be interesting to you.
The Department of Defense uses IWS:
http://collaboration.mitre.org/dodstandards.docIt's pretty versatile, actually. Just recently I was using it to "attend" a
conference where I had a seat in a virtual auditorium. There were a couple
of dozen "attendees" scattered around the globe. The moderator was "seated"
on the stage with the subject matter experts. To ask a question or make a
comment, I clicked on a button that was the equivalent of raising my hand.
The moderator decides who talks when. It also supported a mode wherein I
could "whisper" to someone else without anyone else "hearing" the comments.
PowerPoint presentations were included with low-resolution video
teleconferencing (with the permission of the speaker, one could download the
slides for better viewing locally).
There are other configurations available, but I've only used a couple
personally. IWS worked pretty well in each case. Gory comparison test
details at:
http://www.dodccrp.org/events/2004/CCRTS_San_Diego/CD/papers/173.pdfHope this helps,
--Ross