http://www.tokyo.to/stories/ninja/ I found this via the excellent browser plug-in StumbleUpon. If you don't have it, get it, it's a fabulous way of wasting your life. So, yeah, read, discuss, whatever.
Interesting that it was written by Sean Askew. He was the person who spoke about the Ishitani/Togakure Ryu link over on Kutaki some time ago. DC