I don't usually follow this thread as I don't own and probably won't buy an NC700X, but thought this story might be of interest:
I think some of the facts are questionable (120dB noise for the Harley @ 2000 rpm? $15K for the NC700 ... maybe for both?) but I think this will be a great city cop bike. My town, which neighbors Capitola, uses HD's and at least one BMW F650, and the Harley's are indeed loud.
Here's an older story from another Honda forum that I found with Google.