If you post like this from now on, you should have no problems here. Nice, interesting, intelligent post. You can offer something to the community (a stark contrast to the way you started here).
Anyway, to answer your question, I prefer a Duke win. That said, I understand the feeling you're describing. When your team wins, it is a relief. And it's hard to get giddy, because you are already worried about the next game. So, I understand your feeling of euphoria after a Duke loss compared to a UNC win. That said, I'm not a hater. And while I root against UNC, I root harder for Duke to win.