I've been watching videos of Sugawara Sensei and I was taken by the fact that he certainly teaches some valid aspects of I.S. (how much, I don't know until I can get a chance to personally see him, which I plan to do). But given that he uses I.S., I was particularly intrigued by his Kaeshi-waza kata, not to mention his 42-kata which is a blend of Taiji and Aikido. The vids at this URL will play in sequence (some cute trick YouTube now does):
http://www.youtube.com/watch?v=ejaFy...om=PL&index=27
Best.
Mike Sigman