I've been to Idaho once with a friend who had been there several times before. We visited a restaurant that had a big "free taters for out of staters" sign. It was in Pocatello. I got free taters!
Update on the Bi-Plane Brewing Company in Post Falls. I stopped by specifically to sample some of their wares. I can't render a good opinion on IPA, since I don't really care for it. The Pusher APA was great and the Huckleberry Cream Ale was really great. Came away with a growler of that!