http://superpunch.blogspot.com/2009/05/disney-to-make-animated-version-of.html I wish this was true, but it looks more like some sort of collaboration among animators to draw what Macbeth might look like, in Disney style. Ah, well. I’m still holding out for The Tempest, but I think the “Gnomeo and Juliet” is the next one coming.
I see people landing on this comment, and I wonder if maybe they're googling "Disney Shakespeare" or something.
Gnomeo and Juliet is probably what you're looking for. Trailer here:
http://blog.shakespearegeek.com/2010/09/gnomeo-trailer.html