The two latest gadgets from their surface lineup are the Surface Pro 4 and Surface Book devices, which both went on sale on Oct. 26. One of which, the Surface Book, was touted by Microsoft as the "The ultimate laptop." The company did not simply push aside the Surface Pro 4 which they dub as "The tablet that replaces your laptop." Let's try to take a closer look of the two devices and see if Microsoft's lavish extolments really do hold some water.