, Sven Groot wrote

 But if not the Surface Pro itself, the idea of a device that can be both really appeals to me and I think that's a niche that Windows 8 can fill that iPads or Android tablets definitely can't.

That's true. It's a niche that hasn't really been filled yet and if it works just as well as any ultrabook it should be a good replacement for that small segment of the market too. although a slightly more expensive one