That is a situation where survival of the fittest eventually sets in. Eventually one will finally win just enough users to start eclipsing the others. My gues

That is a situation where survival of the fittest eventually sets in. Eventually one will finally win just enough users to start eclipsing the others. My guess it will be gnome since it is the WM of choice for Ubuntu and Red Hat. And as more corporations get involved with development in the Linux-realm, there will be more incentive to standardize things and less incentive to fork.