But android is horrible, HORRIBLE, OS. Why would you want it on your PC. Only reason I can see is to run it in VM for development purposes. Should be faster than emulation.
And yet many more people would probably prefer it to that "horrible, HORRIBLE" Linux OS.
Considering the sad state of software available for Linux I wouldn't mind seeing a fully backed Google effort. And with multi-window support coming it could turn out to be a very good desktop OS.