I also have mixed results with using the iPad as an external monitor. It works every time, but it's orders of magnitude more fiddly than an actual monitor. Exp

I also have mixed results with using the iPad as an external monitor. It works every time, but it's orders of magnitude more fiddly than an actual monitor. Exposing it as a monitor sounds like a much nicer interface, although I don't think Apple wants that, since it wouldn't work wirelessly.