Windows 8 has proven to be a strange beast for traditional PC manufacturers. While laptops, as a form factor, have been thrown into disarray, all-in-ones seem to have finally come into their own. That showed at this year's CES. While Ultrabooks have been taking on increasingly disparate shapes, AiOs seem to be climbing a ladder of iterative innovation. These are some of the best ones we saw at the International Consumer Electronics Show (CES) 2013.