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.

All these companies are missing out on one set of users, the home users. A quad core chip can be easily divided into at least 2 VMs. While there are a bunch of free Type 2 hypervisors, the bare metal hypervisors costs a huge amount of money or support only very high end hardware.