Like most, I can't help but say, “Interesting.” That doesn't mean I'll buy one, but there sure is something in Microsoft's approach here. This tact on the personal computer is so philosophically different than the one we see from Apple, in both the personal computer space and in mobile. It appears to be a valid approach, however, I think the dividing line between the two will continue to be based on who is pushing mobile the furthest. With the current implementation of the Surface Book, Microsoft is attempting to move forward with the last 20 years of laptop history on its back.