After using TDF (of which you have to be a member), I rely on discount codes found on Theatermania, Playbill or BroadwayBox. You still buy your tix through the official ticket site, so can pick your own seats.
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.