Microsoft lifted the wraps of the hotly anticipated Surface Pro 4 along with its latest flagship smart phones at its special hardware event. The most surprising element of the event, though, was the launch of Surface Book, which no one had predicted. Microsoft has pinned a premium price tag on its new hardware. The current mouth-watering fight between Apple and Microsoft over hardware is a delight for all. Let's see what makes the Surface Book and Surface Pro 4, a sore in Apple's eyes.