What is the best resource/guide for understanding new Storyboard feature in Xcode 4.2?

Question

I can see completely new feature called Storyboard in new Xcode 4.2 Inteface Builder. Where can I find good guide helping to deeply understand this feature?

Answer 1

There's an introductory presentation in the WWDC 2011 sessions set. These tutorials and overviews are generally a very good introduction to new Apple technologies.

Answer 2

This is a great two part tutorial on storyboarding by Raywenderlich.