Just about a year after Samsung first announced its mid-range Series 5 Ultrabooks, it's refreshing them, with a higher-end aluminum chassis, backlit keyboards and touchscreens. The laptop, which will be available with a 14-inch screen, will be available black, red and navy (same as the GS III) and will come standard with a touchscreen in the US, though the version on display here at CES isn't touch-enabled. Perhaps the biggest difference -- aside from the touch bit -- is that the design has a considerably more upscale feel than the last-gen models. Here, you have a brushed aluminum lid that takes after the high-end Series