Stopped by with a friend on a weeknight. Very nice variety of beer, but not much else. The kitchen was closed by the time we arrived so I can't comment on their food, either. Note that I arrived well over an hour before closing time, and was starving having worked a night shift. So the complete lack of food costed them a star.
The service was impeccable, however. Not only did the barmaid possess a very kind demeanour, she went the extra mile to give me some extra beer when I (embarrassingly) spilled a third of my cup. Service is what brings customers back, and The Wren has it nailed down!