Processing power is now largely irrelevant to most users. The experience is defined by the form factor - how big is the screen? Does it have a keyboard? Are the

Processing power is now largely irrelevant to most users. The experience is defined by the form factor - how big is the screen? Does it have a keyboard? Are the applications designed for touch use, or for a mouse? The Surface line, with keyboards as optional extras, are clearly intended to compete both as tablets and as laptops. So they're going to be compared with both categories.