Surprised this hasn't been on here yet. Of course the rumours have been rife for a long time but Dana confirmed a UFC event in Manchester in the Autumn:

http://www.yourmma.tv/news/details.a...tober-2013.htm

Bisping would obviously make sense and he's said he wants to be on it (a few months ago). MEN is a great arena for it, and it's always been bouncing in Manchester when the UFC have been there.