Define "stays out of your way."
http://i.imgur.com/EoNAM.png
I love the HUD. Still needs a bit of work, but boy is it magical...
That's the difference, imo. Where Unity has made strides in the productivity department -- HUD allows you to avoid using a touchpad/mouse for a lot of programs and actions -- Microsoft decided that it's better to use your fingers on your screen...
Which do you think is easier for getting work done?
Not that the traditional desktop doesn't work, but Microsoft has decided to not expand it at all. Instead, they've opted to actually dumb it down