Would also be curious to know what people's favorite airport is. Minneapolis/St. Paul is actually probably the best one I've been to, at least of the American ones. Gets high marks for the layout, and number of dining/entertainment options for an airport that size.
DFW is my favorite. I am in it quite a bit for layovers, and although it has five terminals, the SkyLink makes it incredibly easy to get around quickly, and if you're in one of the older terminals (the A Terminal seems to be the most lacking in terms of accoutrements), you can usually zip over to a better-stocked one like D in a matter of minutes. It's great for tight connections, too.
