What should the PlayStation 4 be called?

In three days time we'll almost assuredly get some concrete details about the PlayStation 4. Perhaps what it looks like. Maybe how its controller(s?) work . How about launch games ? Oh, and what is this thing actually going to be called ? Will it be dubbed PlayStation 4? Or might Sony do a bit of rebranding and go with PlayStation Orbis or Thebes, two of its rumored handles? Perhaps something entirely