Hi, i saw this in other forum, and i believe that some members can be interested.
A previous version of Camtasia Studio is now available for free here:
and you can register it freely here:
It allow you to record your screen, so, you can capture, by example, Finale playing your Score, add transitions, make zooms, etc, and then save it as a video, flash or flv file, in a similar way of the examples that Gary has posted in the forum. I have been testing at home, and it works great.
Well, hope anyone found it usefull.