Marks' work in "augmented reality" and man-machine interplay isn't really much like Wii. It's basically the next evolution of stuff that started with the EyeToy, and it's really a different implementation for motion interface entirely.
Where Sony's taken after Nintendo pretty clearly is in integrating accelerometers, the primary remote design and the "sub" controller design. That's why people post the amusingly similar PR shots, and let the photos do the talking...







