Don,
I agree with you. There must be more high quality internet-available video demonstrations of arrangers. I'd highly appreciate that! Not to mention that internet (and SZ in particular) is my only source of information about the new music toys.
I find these video demos very entertaining. They allow me to compare features and sounds of different keyboards and workstations. Unfortunately, these videos are very short in length and cannot show all of the goodies.
Regards,
George