Metro has protential, it is a nice way to group social media and most used programs like weather and maps for when user doesn't need to work with files.
I taught myself vic20 basic when my mom got me a commodore vic20 in 1988. Then I started to learn turbo c++ 2.01 in 1993 and I defected to turbo pascal 7 in 1994 and now I am a nasm and gcc fan currently.
Only the super rich will be allowed to experience the thrill of zero g , I doubt the price will come down, unless newer rocket tech like plasma/ion rocket comes out, else it will be expensive to put your lbs into orbit.
Microsoft needs to come out with a user interface that works and stick with it. Always changing the model around creates too much learning curves, can drive people batty and away.