The set tension on the Look Keo Easy pedal is 8 nm. The Look Keo Classic (which I think is the next model up) has adjustable tension, but the lowest it will go is also 8 nm. So, assuming that you want a very light tension, I don't think you'll lose anything by going with the Easy pedal. I don't know how the pedals otherwise compare in terms of weight, durability, etc., but for the money, the Easy pedal sounds like a good introduction to clipless pedals. I use the Classic on my bikes and, minus the learning curve you can generally expect in learning how to use clipless pedals in general and Looks in particular, I've been very happy with them.
Live with intention. Walk to the edge. Listen hard. Practice wellness. Play with abandon. Laugh. Choose with no regret. Continue to learn. Appreciate your friends. Do what you love. Live as if this is all there is.
--Mary Anne Radmacher