iPod vTouch - September 2008?

I’m keep hearing about the technology; WiMax vs 3G vs WiMax, Skype or SIP etc. Andy wrote a post suggesting that Video would be a key component defining what next in IP communications. That’s getting closer to why it might matter. There are comments here, here, here, and here. None of these really tell me a story. None really promote a scenario where I can see what a company or companies may do which excites you and me in such a way that our behavior changes. There was also no time put on it. W