Gmail video chat was released.

• Chat more ways than ever from within Gmail
• Look and sound your best with high quality audio and video
• Get started easily — all you need is a webcam

Check it out here:  http://mail.google.com/videochat

This is a great application and can be used across UNIX, WINDOWS and MAC.  So easy to use it literally takes minutes to get up and running. You can share your screen, or designate a host and let them do the work.

” Yugma is an easy-to-use web conferencing service that allows users to host or attend online meetings on Windows, Mac or Linux computers at a fraction of the cost of Webex or GoToMeeting.”

Check it out for yourself …  Yugma website