This is not new feature on Virtualization, it was introduced by Parallels on its version for MAC OS some time ago,
Microsoft introduce it on its called Windows XP mode for Windows 7.
And VMware also has this feature Unity Mode, and that is it, when Applications running on Virtual machines are access as transparent form from Real Machine.
This feature is present from VMware Workstation 6.5, look follow screenshot of some apps running on Virtual Machine, they looks a apps running on Real Machine.
