OK, I went to the NYC event last night and it was GREAT. Sat in the 3rd row with all of my DT friends (Ari and companions, Gris and wife and Mark Stutzman). The stage was SO CLOSE, King was like 15 feet away is all.
Biggest news is that King stated that he has another DT story in him to tell...Roland's adventures after Wizard and Glass until LSOE. No dates or anything given, but sounds like he will write a novel about the fall of Gilead, battle of Jerricho Hill, and Roland's start on the quest for the Dark Tower.
He also said that a sequal to Black House is still in the works (known info), but also he has always wondered what happened to Danny Torrence. He'd be about 40 now, says King....
Signed books went as follows. As we stood in line, each of us picked from a huge deck of Ryder playing cards. If you got a regular card (Ace-King) you got a signed book at the end. If you drew a blank card, you could stand in line after everyone else got their books for any that were left. I got a 7 of clubs and a blank card (my son bailed on me cause of homework and the new Call of Duty 6 video game that came out!). I waited 45 minutes after the show, got my signed book and returned to the line again, waited (much shorter) and there were still books available, but they would only sell me two more (so 3 in total). Ari and Gris went back and got more books too, as did others. All sold out in the end.