Could rebranding OSX to OS10 be in preparation for OS11? OSXI doesn't sound or look as good as OS11 to me. They're also almost out of large cats...
The time for OS11 is rapidly approaching. OSX has evolved substantially since its release, but is still very much the same OS. If Windows 8 is a fundamental leap (that doesn't lead to a face-plant) then OSX might soon be in the same position as OS9 was after Win95 came out. Is there another NeXTSTEP somewhere out there for Apple to buy?