Two seniors (Brian MAcArthur and Stephen McKinney) at the University of Memphis Engineering Technology Department created a program to use the Wii remote with a Microbot TeachMover Roboto.
They started with WiimoteLib which is a .NET managed library for using a Nintendo Wii Remote (Wiimote) and extension controllers from a .NET application.
Also, here is a good guide on connecting the Wii to a PC via bluetooth http://lifehacker.com/5042254/operate-your-computer-with-wii-controllers
What did the seniors do with it: