Yeah, I totally get you.
For these two schools, unless I ask specific clients who are there I have the same info as you probably - meaning the employment reports of the school. But I don't think in either case that it's a worry - meaning I have confidence that with a good background, wherever you will go, you will be very employable. From the stats, it does seem like UNC is a bit stronger both in employers and in post MBA salaries, but it's hard to judge what might happen to YOU from overall averages, and really, you need to dig deeper within your own industry and people with a similar background as you.
And then, yes there is the issue of smaller city bigger city, freezing cold weather, beautiful temperate weather and so on... but that's more up to you and your feeling. Each one has its advantages and dis-
Let me know if you have any follow up thoughts, and of course, eventually what you decide
(And either way, congrats! there are many who would be envious of your dilemma)