Andy L;
You might be surprised; the WWl Tora I have cuts very well.
I've kinda given up comparing cutting abilities- you have to find apples and apples to compare. A thinner edge profile works great as long as too much mass or weight is not behind it, in which case it will stick. And it matters if the edge is true convex or Saber grind, and what length the khuk is.
I don't think there is any single 'best'. The new 18" 28 oz villager I have cuts better than many in the same class, and I really don't know why. It matters too, what you are cutting. The Villager so far has had nice green wood, in which it does very well. Switching to resin hardened dead pine, knotty and tough, the grain fine and twisted by severe cold and wind, is another story.
munk