In Pictures: 15 coolest gadgets at Macworld/iWorld...
It's called the Padcaster, a mobile production studio with the iPad at the center of it. The Padcaster is basically an aluminum frame for the iPad that lets you attach a tripod or shoulder mount, camera lens, lights, microphone, and other cool stuff. Basic model cost: $199.
In Pictures: 15 coolest gadgets at Macworld/iWorld Expo