As the release of the long-awaited new Mac Pro approaches (Apple has confirmed 19 December), several 4K monitors have emerged. The Mac Pro has support for up to three of the Ultra HD resolution displays (that's four times the resolution of Full HD), so potential Mac Pro customers are likely to be considering which display they'll choose. Here, we've got a round-up of the 4K displays we've seen so far. We'll update this article as soon as we see more. We've seen no sign of an Apple-made 4K display, something many have been expecting in the form of an update to its Thunderbolt display. Apple may decide to launch a new display to shortly after the Mac Pro's release, wh