here's what I found so far...no video though. actually, I couldn't find any video, even competition kata for AKK.

http://kenpousa.com/long4.htm
http://members.aol.com/wjm4kenpo/wjm305.htm

something else I found by accident...Prof. Chow performing kata from 1960.
http://www.kajukenboinfo.com/kaju_chow_kata_320.wvx
as an aside to this thread, anyone know the name of the kata?