Like countless others on Friday morning, I braved long lines and lack of sleep to be among the first wave of buyers to get the latest iPhone from Apple. Specifically, I wanted an iPhone 5S, the new flagship model that starts at $199 (for a 16GB model with two-year contract).I'd hoped for the white-and-silver model, but, like the new gold version, those were in short supply. So I wound up with a 64GB "space gray" iPhone 5S. Although it's virtually identical on the outside to the old iPhone 5 -- other than the lighter gray aluminum back and sides -- this phone represents a major update to the hardware. From the new A7 64-bit chip to the M7 coprocessor t
