Lenovo's IdeaPad U series has always been about portability. With the introduction of the ultrabook class of systems, Lenovo has decided to add to their lineup with one such system. Lenovo is no stranger to small and thin laptop designs but they decided to keep the styling of their ultrabook similar to the other IdeaPad U series models. Does this design choice help or hurt their new ultrabook? Find out in my review of the Lenovo IdeaPad U300s laptop.