I'm at the new Apple store in Tysons Corner, VA and have been looking at the new MAC OS based on the UNIX kernel. It is really fabulous. A UNIX kernel with incredible MAC graphics and apps running on top!
http://www.apple.com/macosx/
and for Darwin, the UNIX opensource project:
http://www.opensource.apple.com/projects/darwin/
This is great!!!!!!!!!! I may buy a MAC again!!!!!