Have you notice the latest news? Most of the stuff I use is now out of beta, not saying it took a reasonable time, but atleast it's progress.
Whereas llinux distros go, I think that it should be far more used by retailers, as a well built linux can look far more unique while beeing just as comfortable to use as microsoft.
It is time for microsoft to go ... open source.
The aim of google is to make the experience browser based so I wouldn't expect much f their OS.