Average is between 30 and 50% off. Most of your answers can be found. HERE
Good seats? It can really vary. It will change drastically depending on which month you will be in town, which days of the week you plan on theater going as well as which show(s) you are hoping to see.
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.