Just to let everyone know,it is not Audyssey that sets the speakers to large/small, that is the receiver manuacturer's setup routine. The Audyssey folks tell you the same thing, to follow THX recommendations, set your speakers to small and then start with 80hz crossover.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85