Ars Technica writes, Some of these things were impressive, others had us reaching for some new iOS 6 emoji. With the launch of the iPhone 5 this Wednesday, the big question is whether it's worth upgrading. Many of the new features—the camera specs, the design, probably the processor—impressed us, and some new features—the lack of simultaneous data and voice on Verizon and Sprint, and the lack of global roaming on AT&T iPhones—left us ever-so-slightly disappointed. While there's no doubt that Apple put forth a good showing in the "new stuff" department, there were a couple of features that we were...