Not much to add - other than some personal observations.
My loving the final show was a given as was my admiration of this amazingly energetic and talented company. I was sitting in the Orch. G109 dead center (best seats ever!) and could clearly see the emotion on their (the actors) faces at varies times during the performance. During the extended applause for DHP, Deb Monk; while never breaking character, was giving him winks and slight nods of the head. Jim Newman looked into the audience and nodded yes. There was a lot of winking and more than usual emotion on the stage, especially from KZ and DHP. I think he winked and grinned at just about everyone on the stage at one time or another and KZ teared up several times during the performance.
The audience response was incredible, and lucky for me, the people sitting on either side of me were all wonderful. Truly the type of people who add to the experience of attending the theatre.
For Act 1, John Kander settled in 2 seats away from me in G112. It gave me the chance to shake the hand of a gentleman genius. I was thrilled. I still am. What a gracious, gracious gentleman. Rupert Holmes was directly in front of Mr. Kander in F row. He stayed through the first act and part of the second. I talked to him too, also very gracious; and boy does he love this show and this company! As he watched the smile never left his face. Also through Act 2; DHP's SO was seated directly in back of me (laughing and clapping wildly - he seems to be a great audience) with some of what I gather was the productive team - the only name I remember Roger Berlind mentioning was Lenore somebody. I believe he said they were with the Center Theatre Group in LA, but I won't swear to it. I really wasn't paying attention because I was watching the actors faces. Patty Goble was crying openly and DHP took his handkerchief from his breast pocket and gave it to her to wipe her eyes. Jim Newman also seemed teary, as was KZ. Also, Roger Berlind presented flowers to DM and DHP. DHP passed his down to KZ. Very nice.
Three things which stood out. The humble, gracious nod and mouthed "thank you" from DHP to the audience at his entrance, the absolute circus catch KZ made of the hat at the end of "Thataway" (I'm telling you it rivaled Dave Tyree's helmet catch in the Super Bowl last year, only she used one hand)and Noah tossing Megan into the rafters during Kansasland.
As for the stage door - mikem I agree, you said it all!