Have you seen the new poll?
from
WinCustomize Forums
I'll bet that one could be hard to answer. The only platform that I know that is supported in MAC. I don't know how much software is out for the rest of the OS's. Good thing Windows is not going away. To bad there isn't 3 or 4 OS's out that have full software support. The competition would make for better operating systems.
(you can say im a boy again HAHA!)