Download the preview here: http://msdn.microsoft.com/en-us/windows/home/br229518
Used the same instructions for setting up the VM (only the VM point) http://everythingworkflow.wordpress.com/2010/11/07/building-up-a-vm-for-integration-development/ when you get to the ability to mount you can point directly to the Preview ISO:
Even Sound works properly, I tested the piano application and it ran smoothly
Once started you can get install like so ( I went with customized install instead of Express).
