Which is more important to you - price or pre-theatre? In other words, are you looking for a great pre-theatre spot that isn't too expensive or a cheap place that you can go to before heading to the theatre?
If it's the former, I always recommend Joe Allen for a pre-theatre meal. It's a theater folks landmark, home of the famous "flop wall" with posters from Broadway's notorious flops. Most importantly, it's a great place to eat (famous burgers, lobster rolls and liver & onions) and is a well-oiled machine before and after shows. Its pricing is reasonable for the location and not expensive for NY, but not cheap. (Noticing your spelling - if you're coming from London, there's a Joe Allen in Covent Garden that won a London contest for best burger ...which for some reason is unlisted in the menu there, But everybody orders it.)
Note - they accept reservations no more than 7 days in advance.
Updated On: 2/23/17 at 11:52 AM