Originally Posted by borg

I went from Look to Speedplay to Shimano SPD-SL. I used Speedplay for many years until I switched shoes to the Sidi Genius 5.5 which aren't as stiff as other shoes I have used. The pedal shoe combination was causing my shoes to twist. When I switched to SPD-SL, this went away presumably due to the larger platform. I am very happy with the SPD-SL and don't plan to go back.

I always used to recommend speedplay, but whenever I did, I mentioned you need to choose your shoes carefully. Speedplay goes best with certain shoes. I hated having to use shims and adapter kits to get them to fit, and the shoes need to be really stiff.