My thoughts? Stick with the 166 Legacy until you figure out what weight you're going to settle in at. A 166 isn't too much board for your size in the least.
If you're looking to go shorter though, the Cobra is a good bet due to it's blunted tips. It let's you go shorter while not giving up effective edge length.
"People say that marijuana smoking is going to get in the way of my career. I say to them that on the contrary, my fighting career is getting in the way of my marijuana smoking." -Nick Diaz