http://www.youtube.com/watch?v=Vp4XXIqvXfY
I tried Win8 Pre Milestone 3 into my laptop too (Win7) works fine on my laptop! :D
but why to use Win8 M if we can make Win7 Looks Like Win8
and Win7 SP2 include Win8 Fetures and more something nice...
http://www.youtube.com/watch?v=Ssd77XIItLQ