Hhmm I never saw that when I was looking to replace tinychat. Worth a shot. Once we get the FTP shit sorted out we can update everything and try some new ones out. One reserve I have with this plugin is it runs off the site. Might hurt bandwidth as most video plugs do..Tinychat is just linked here.
An integrated live chat would be swell, but as you have mentioned that shit would cut into YOUR bandwidth (is it unlimited?), rather than use tinychats.
On the other hand if it was built into the site and gave some indication who was in there people might actually use it more.