A nice pros and cons of various of these programs. I am wondering whether this kind of thing might be a nice way to provide help using the Penntags interface (after it's been improved).

Reviews of using Captivate and other products for instruction tutorials.

I like some of the features of this site -- I'd like to see some user testing with those videos. Do students watch them? It's a nice idea, and much easier to produce and consume than a text-based description of the same thing. I also like the "circular process" motif. Nice.