To answer your questions - Microsoft have not yet revealed what SKUs they will ship for Win8, but they have said the home screen on all versions will be this M

To answer your questions - Microsoft have not yet revealed what SKUs they will ship for Win8, but they have said the home screen on all versions will be this Metro interface - Clearly it will be marketed to them. - In the home screen, there is a desktop tile. Select this and you get the Windows desktop as you'd expect where everything will run normally. It does not switch you to a VM or anything like that.