Dave, I don't believe it is Audyssey that sets the crossovers, it is the receiver. They now use a standard 40hz as the determination point I believe, which is why the 80's came out large. Audyssey recommends changing them to small, but not neccesarily all to 80hz.

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