> oh yes, it does, and it is good:-)
the rhino3d OSX team does not simple a port, but a complete new rewrite on osx, to make rhino osx a native osx app.
recently they added python, the rhino OSX builds are regulary updated. each rhino owner can download and use them
some vimeo screencast about the interface(not absolute recent rhino osx verisons – 11 month old)
http://www.vimeo.com/4570149