A ride report on my blog from May has details about my experiences with the Speedplay zeros and then the light action. Here is the link:

http://bikesbooksblues.wordpress.com...ort-6/#more-13

I'm on Look Kéo Max 2 pedals now, and I like them, except they are sometimes a pain due to their one-sidedness. The path I usually take has a series of road crossings that I need to unclip for, and about half of those leave me looking down to try to id the right side of the pedal for clipping.