I have had the Assioma pedals for about 5 years. They used to go with Look cleats, but now you can also get them with Shimano-SPD cleats.

They are accurate and dependable. As already mentioned, DC Rainmaker makes the case that they are the best pedal-based system available.

I swap them between bikes in about two minutes. The key to making the swap easy is to swap often enough and lube the threads enough so that they unscrew from the cranks without extreme leverage.

None of us really needs to know our power. By the same token, none of us needs to know our average speed. But I learn a lot from having a PM. For example, yesterday riding with a couple of friends we were going up a steady grade for about two miles, with me riding 3rd wheel. We weren't going too fast, but it felt HARD. Is this really a hard effort, or am i just feeling lousy? Looking down, I saw that I was holding 275 watts. OK, this is a tougher hill than it appears. No problems, carry on.