By far the best bar in the city if you are looking for the largest selection of beer, a mixed and friendly crowd (20-30's anywhere from hippie to professional) and a really groovy atmosphere.
My only complaint is the lack of good English ales recently but I'm not about to knock a star for it.
In the summer there is a big patio open in the back, a small one out front and the cafe side is great for meetings in the afternoon or casual hangouts. The Americano and lattes are unbelievable and their small but affordable menu has some pretty darn tasty fare on it.
However, if you only go one time, visit on a Friday or Saturday night and go for beer. See you there!