Pizza (Buffalo style): Imperial
Pizza (NYC style): Ferros (Josh's favorite)
Wings: Probably too many to list but the usual suspects of Barbill, Mamosers, Duff's and Elmo's come to mind.
Breakfast: Polked Yolk in OP, ZeeJays in Hamburg
Bars near Stadium/OP: Byrd House, Prohibition, O'Neal's. All friendly, good Bills crowds and decent food.
New comers/Other notables: NY Beer Project in OP (great location, brews and food). Wayland Brewery in OP (good beer, excellent Detroit style pizza). Main and Hamlin in East Aurora (good option if Barbill is packed)