Intel has posted a video showing highlight from the Intel Developer Forum 2012 held in Beijing, China last week. In that video is an interesting looking hybrid tablet ultrabook running Windows 8.
The hybrid system, called Letexo, transforms from a tablet into a system which has a keyboard and a screen propped up on a stand.
Here's the system in "tablet" mode:
And here it is in "ultrabook" mode:
This design makes a lot for sense for a device where you're going to be prodding at the screen since it give the screen added stability. One of the biggest problems with touch on notebooks is that prodding the screen sends the device rocking back and forth, a flaw that makes placing precise touches on the screen tricky. This design cleverly solves that problem.