You’ll need a jailbroken iPhone to play, but if you’d like to be amongst the very first to check out QIK‘s iPhone 3G live streaming video service, this is the page you need: http://qik.com/sign_up.
Here’s Michael from QIK introducing it and demonstrating it:
It works with jailbroken iPhone and iPhone 3G running 2.0 of the software. More details here.
From Michael’s video demonstration, the implementation looks fantastic. Really, really smart stuff from the QIK guys.