I own a Henry .357 Big Boy (and obviously it wins the best looking award), I will tell you the action is the smoothest I've ever felt from a gun straight out of the box. There are only two (arguably one) downsides to the design.
The first (which doesn't bug me at all) is they are a bit heavy compared to similar rifles. However, I feel the weight helps keep it steady for follow-up shots and from moving off target when working the lever quickly. (Plus, it's a cowboy gun. Suck it up! LOL)
The second is they can only be loaded from the front of the tube. This makes reloading slower but not a big deal.