I see a problem.
Danger, Will Robinson^H^H^H^H^H^H^H^H^H^H^H^H^H^HSteve Jobs.
"........and on Apple iron run Mac OS X as well."
With the virtualisation capable of presenting an acceptable environment for MacOS to do its stuff in, it can't be long* before some heroic hacker "tweaks" it to provide this functionality on any PC compatible. That'll go down like a cup of warm sick at the Cupertino fruit farm.
*My money's on within a week of the first beta shipping.