I got a demo of this one from a friend and was thoroughly impressed. He started it up on 3 computers and then came back outside where the rest of us were sitting with his phone. As he hit each computer, the cameras came on. It's a really neat piece of software and works as advertised.
Current Apple Stuff: 24" iMac, iPhone 4, AppleTV (original), 4gb Shuffle, 64gb iPad 2.