CompCyclistwrote a review of Shimano Dura-Ace PD-9000 SPD-SL Pedals on August 17, 2016
Familiarity: I've used it several times
Smooth bearings and secure pedal to cleat engagement. Switched to SPD from Speedplay due to the excessive play, the need for regular maintenance, and the nuisance of sticks, mud, and rocks clogging up the cleats from walking around to take nature breaks. Not going back to Speedplay for sure.