We like dry erase whiteboards just as much as the next guy, but $15,000 like? Not so much. Of course, when we're given a chance to check out an 84-inch 4K LED whiteboard for free, we're more than happy to. And that's how we ended up here at Westinghouse's Consumer Electronics Week booth, playing around with an unbelievably expensive toy. Yes, of course the multimillion dollar corporations of the world use stuff like this for work -- we used our time to draw an Engadget symbol. Do you expect any less?