Don't feel blue if you've missed one of the first HTC One units in, well, blue when they started trickling out -- it's officially launching as a Best Buy exclusive on September 15th. What's more, the oceanic phone will be available on Sprint, AT&T and Verizon. On-contract pricing details have yet to be revealed by the carriers, but its full retail price was pegged at $700 when it first showed up on our radar. We guess those who prefer cool blue to