This is strange that names for xbox 2 have been trademarked and leaked on the net the same day as new Gameboy/DS names.
Microsoft Considers New Xbox Titles
Prospective names for the next-generation Xbox were allegedly leaked, leaving many to wonder what the fairly impenetrable acronyms might stand for.
Microsoft is known to be wary of calling the new console the "Xbox 2", lest it be perceived as inferior to the "PlayStation 3". Surprisingly, though, the supposedly popular title of "Xbox Next" does not appear on the following list of suggestions:
Xbox 247
Xbox 360
Xbox 2
Xbox E
Xbox EV
Xbox FS
Xbox HD
Xbox NE