Ultra or 4K televisions got a big push this week at CES, with major electronics companies such Sony, Samsung, and Lenovo coming out of the gates with new flatscreen models. The difference between these sleek flat rectangles and your soon-to-be-old 52-inch plasma is that they have a much higher resolution—so much higher in fact that there isn’t much content to support the beautiful picture quality yet. This makes me wonder if videogames will drive the adoption of 4K televisions the way they did with HD models a few years ago. While not the only reason they caught on, HD sets…