As you might guess, I like DCA. Sort of an "all glass" new terminal building with good views, short walks, indoor connx to Metrorail, rental cars, and parking. Lots of shops and food, some fairly good. Best for orig & dest use.
Also a "special" approach when landing on Rnwy 19.
http://users.erols.com/rcarpen/dca021110.jpg This approach (including the 30-deg turn 1 nm from threshold) is used by hundreds of arrivals each day when the wind is from the south.