FaceTime for Mac Beta problems

[fishdav]

So in my four iMac home, we just downloaded -- onto two different iMacs -- the recently-made-available FaceTime beta. It "dialed" and connected quickly... but (sigh) one iMac either did not have audio, or its microphone was disabled, we couldn't figure out which. -- We were so excited, and we thought that, despite its being a beta version, it would work on the first try. Instead, this audio issue makes it feel exactly like iChat!! I.e. it was buggy. Oh well, can't wait till it DOES work.