Mira "smart displays" will be available in the US today, reports InfoWorld. They let you pick up your Windows XP Pro computer screen and use it anywhere in the house, wirelessly, much like a cordless phone. In the long term this could be an interesting idea, especially when extended to other devices, but at the moment, as Gartner says, it's "an idea in search of a home." The New York Times [free registration required] has a long hands-on review in its State of the Art column, pointing out the limitations, including the performance (too slow) and price (too high).