I may get it done tonight but I can't promise anything. I'm looking at not just the change in punch tempo, but I'll also touch on overall body movement deception (BHop does this very well).
It's just going through my external harddrive and finding the video examples, then seeing if they're on Youtube also. In addition to what I mentioned in my 'phill shell defense' post, the first fighter that I know to use the shoulder roll was Joe Gans. Video example below:
I think I'll see if any gyms would like a hand even if it's just helping out with the kids. Since I still haven't hit 20 yet, I think it would be good to get in and learn with hands on experience also.