Strada - There's one opposite the front door of St Paul's Cathedral which I've used at weekends. On Wednesday night, I tried it on a weekday evening for the first time and was beaten back by a wall of combined noise and smoke - and promptly retreated to the curry house on Carter Lane.
Obviously, I will have to make this a regular weekend jaunt! Especially as I get 20% off the entire bill with my gym membership card. (How many gyms do deals which encourage you to spend money in restaurants, of all places?

)
Edited to add: Having a look at the Amex-BA offers for the first time was an eye-opener! Now I understand the extra Molton Brown points I got. And it looks like I should go to the ROH a bit more ...