Not entirely but 90% of it. Your programs, data and profile will move around and be cached if you sign in with a Live account. Some application state may be per

Not entirely but 90% of it. Your programs, data and profile will move around and be cached if you sign in with a Live account. Some application state may be persisted differently but when you sign in to another PC, it'll all move across slowly. plan9 doesn't do what he wants either. You can't detach a window station from the 9p network and take it and all your data with you. Communication networks aren't reliable enough to maintain a 9p connection either. At least surface handles this... Hell RDP'ing into the office is the same as what he wants...