The best Ultrabooks are awesome for working on the go. Read on to see which are the best Ultrabook has to offer, and find the best one for you..The best Ultrabook overall, the gives you the same awesome . inch InfinityEdge display which has practically no bezels that we re used to, but they managed to improve it..Ultrabook is an Intel specification and trademark for a line of high end subnotebook computers featuring reduced bulk without compromising battery life. Ultrabooks use low power Intel Core processors, solid state drives, and a unibody chassis to help meet these criteria..Toshiba Portege At Review. By Brian Nadel The Portege At has a vibrant, high res touch screen and lightweight chassis, but weak battery life, a shallow keyboard and some missing business .