The typical demonstration showed aquariums with gorgeous fishes swimming around luscious undulating plants. This masked their biggest technical drawback known as ghosting. It is the shadow that follows fast-moving objects, typical of laptops. The vendors told me that this drawback was being addressed but might take time to solve. It is already less noticeable than on my own laptop screen.
Energy usage is very low, which means that less heat is being generated.
If you do not deal with graphics or games, this is a good display system. Unfortunately, the cost is still high compared to standard CRT type monitors. I came away with the impression that prices are expected to drop by half within the next year. In addition, it also displays my very long list of folders in the C-drive. I could not find it in Help.