HAHAHAHAHAHAHA! Anthony, either you've never played the PC version, or you're fucking blind. The PC version looks like shit, covered in a heaping helping of Dog vomit.
The Wii version uses the art assets from the GC version, which looks way better than the half-assed PC version by far. It's a shame that they didn't bother enhancing the graphics, but if the controls work out well, I still may get it.
EDIT: Damnit Cookie.