Following on from one of our favorite Ultrabooks of 2012 is the Samsung ATIV Book 9 Plus. It uses the same stylish design as the previous model but offers a few interesting upgrades on the specifications. A QHD (3200×1800) touchscreen and Haswell CPU for example. Read on to find out if the ATIV Book 9 is still up there with the best Ultrabooks of 2013.