When a 48 frames-per-second version of The Hobbit: An Unexpected Journey was released, some viewers questioned whether high frame rates necessarily translate to a better viewing experience. Whether or not you embrace this trend, it's clearly not going away. Case in point: today, Christie Digital Systems introduced two new 4K projectors capable of 60 fps -- a "world's first," according to the manufacturer. Unveiled on the NAB show floor, the 35,000-lumen and 25,000
