I don't think the wand is a blatant ripoff of the wii remote. Because the idea and concept of motion control gameplay has already been done before in a form of demos.
http://www.youtube.com/watch?v=_PtoxKDcCXc
http://www.youtube.com/watch?v=7UaDvIPpQnQ
If anyone disagrees with the videos, please explain. I'm open to change my mind.







