A series of videos has just been posted on YouTube by Mark Proctor. They cover using the new KIE Workbench, which is rather different from previous Guvnor versions.
http://www.youtube.com/watch?v=vj3MNmiUnvY&list=SPb9jQNHBKBRj9IJkc_F5nCJAvXaegOGW8
I haven’t gone through them all yet, so I can’t say much about them, but they look to be a good preview for anyone considering a move to the new KIE Workbench.