Different Window 8 OS
It is all fine and well to say having one OS to rule them all but what about the resources factor. If you are not going to use something why should it be there it takes up space and resources. Even if you uninstall the app it is still in the Program directory. So yes I would like there to be different Windows 8 for different Platforms. And with regards to your other point about the different versions of XP it's because it had the same branding why should the Windows 8 version for mobile phones also be known as windows 8 give it a other name and make it more useable for that particular device. I like to keep all my things separate this notion of one thing to rule them all is just so bla-Zay. Different strokes for different folks.