Legally, I believe you can only run OSX on Apple hardware. There are hacks available that allow you to run on a Non-apple intel machine. Assuming these hacks work, I would expect you can run on VM for free, but you would be violating the license agreement.

Wired mag did a feature story on getting it to run on non-apple hardware...
http://www.wired.com/gadgets/mac/com.../2005/08/68501

if you like the mac look/feel, try this...
http://lifehacker.com/software/how-t...mac-317110.php


csr