Yea, there's a bunch of great suggestions already, so I'll just reiterate the Hay Merchant one. No body is close to HM when you combine food and tap list. Petrol Station does have a good burger though.
D&Q is best for limited release beers, because sometimes specs sells out quick, or hoards several cases for employees. For the beer you should be looking for, Specs will do the trick and will be much cheaper.
If you're a fan of brewery glassware though, D&Q has a pretty nice selection.
ETA: If you're a big group, you may have trouble finding a place at Hay Merchant on a Friday/Saturday night.
This post was edited on 3/21 at 4:48 pm