Absolutely brilliant. Clean, precise, and very strong. IMO, there is no substitute for practicing movements with the ken and jo, and directly relating them to the empty-handed techniques.
This is not the Aikibunny dance. This is the real stuff.
There's a pdf interview,
The Power of Intention that's definteily worth the read.
Jo movements
http://www.youtube.com/watch?v=zDfQ6WIBAfE