Originally Posted by ldholton
I really like simplicity the cut quality to me is unbeatable. The deck actually is pulled by the front axle instead of supported by the mower frame so it contours the land very good.
This! Free floating deck. Front of the deck is attached to the front axle, rear runs on rollers, not hanging off the frame.

I've worked in Simplicity and John Deere shops. I'll take Simplicity over Deere any day. (considering there is a dealer in your area)
Dealer support is very important and would be my deciding factor.