The Atelier isn't Nespresso's first foray into one-button specialty beverages — the Lattissima series already handles that masterfully — so what makes the Atelier stand out?
There are other differences, such as the Atelier's smaller water reservoir, but those are the major ones that would dictate which premium Nespresso machine is better for you.
Oh, and I guess there's one other difference: The Atelier only is available in Europe and Asia.