Out of all the Windows Phone 7 launch partners, HTC's obviously been the most hard-working kid in Mr. Ballmer's sculpture class. So here's the question: which of the five launch devices is the Taiwanese company's best work? Well, there's no such thing as a perfect phone, but we dare say the 7 Mozart's the most stylish out of the lot. Not convinced? Flip the phone around and you'll see its two main selling points: its aluminum unibody construction (as applied on the
