It's hilarious to read the comments section at Engadget about it. They're the predictable reactions of a few Mac worshipers battling a bunch of PC nuts. I really don't care much, but frankly I don't see how a Mac fan can defend the styling in this case. It's not like it looks like anything special. It's oval shaped. It's round. Big deal. It won't win any design awards or anything.
The one thing I'm wondering about is the little ball on top. What sort of mechanism does it use? I can't imagine it'll be terribly reliable in the long run.
Anyway, I'm happy to see them giving into the two button world. I don't know what I'd do without my context menus (that I don't need a keyboard for).
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Matt