Circular Reference: OS X inside VirtualPC on a MacBook using Boot Camp?
Not to start a holy war on why you'd want to / not do this, but ... I wonder if you can get a MacBook Pro using BootCamp booted to Windows XP then run Virutal PC to boot OS X inside the Windows VPC?
Now that would be interesting, and kind of cool to run both OS X side by side with XP! Practial uses, probably not much. But an interesting academic experiment.