You should see Engadget's preview on it, and also listen ThisIsMyNext's latest podcast. They all complain about how inconsistent and messy it is to get back from one "desktop" mode to the Metro mode. They should've kept them separated as OS's.
And let's face it, with all their faults Windows works pretty good. It ain't easy to make an OS that works with all printers.....scanners and everywhere in the world. My desktop is 4 years old and works perfectly.