[mrwojo]

Since most of my friends that I want to video chat with have PCs, can anyone tell me what WINTEL world software is compatible with iChat-AV?

I have tried things like MSN-Messenger but the Mac version has no option for video/audio like the Wintel version has.

Yahoo Messenger only seems to support video but no audio.

[MaxPower2k3]

try iVisit (i think it's www.ivisit.org but search macupdate, i could be wrong). i've used it with my PC-using friends and it works fine, supporting both USB and Firewire cameras. the interface is a bit archaic, but it runs natively in OSX so it isn't so bad, and there's a (legal) free version that's fine for simple 2-person conferences

[macrob1n]

or perhaps you could try iSpQ Video Chat