Do any of the CB pedals have a way to adjust the tension on the springs at all? One of my bikes came with CB Candy pedals on it. I had been using SPDs, but thought I'd give them a fair shake since there are so many zealots out there for them.

Eventually I pulled them off the bike and put on another set of SPDs. My foot could never find that "just right" spot to actually clip in, and when I could clip in, I could not clip out with out heroic efforts...like falling down, taking my shoes off and fighting to twist them out of the grip of the pedals. Granted this was on a mountain bike in the wilds of the Pacific NW with the only thing to hit was a tree, shrub, rock, log, wolf, etc. and not on a commuter bike. Your results may vary.

OP: I'd get the one that costs the least. I'd even recommend the Welboro knock-offs of the same pedals, I have them on one of my mountain rigs.