From the screenshots, I see both XP and Windows 7 style windows run side by side, and XP running in a regular old Virtual PC window. I wonder wat limitations there are to just running XP Mode stuff in the Windows 7 desktops, seeing how they apparently also offer full Windows XP in a virtual machine.

And yeah, all the BC stuff can be stripped from Windows, but has it? Because I haven't head anyone running the beta say that their old stuff doesn't work anymore. What's the point of offering virtualisation for BC if all the BC code is still in there?