While 1080p has barely had time to establish itself as the standard for high definition video in the home, its replacement is already making its presence felt. Panasonic provided a glimpse of our ultra high resolution future with its 152-inch 4K resolution plasma TV at CES in 2010, but now Sony has become the first company to release a 4K home cinema projector that offers four times the resolution of existing 1080p displays.
