very nice to hear that such a project was implemented at a grad level.
are you familiar with the xbox natal project? this seems to be similar.
sony playstation is also coming out with a similar solution (this spring i think).
both aim at reclaiming the Wii market and expanding the implementation, methods and usage.
an excellent entrepreneur in this field is Johnny Chung Lee:
http://johnnylee.net/projects/wii/
he has been working the medialabs developing concepts and hacks using of the shelf products.
if you plan to expand your knowledge, expertise and proffesion, follow up what Johnny is up to
and as a hint, use a mobile device as your interaction device!