I have had a NH head since they came out with the knive rolls.. I like them but cannot comment how they compare with others. Some NH users around here have stopped and thought they were too aggressive and stayed with the standard NH roll. I like mine, I notill everything and think this speeds up decomposition, just feeling not based in any study. I agreee, post his question in NH and see if anyone there has any opinion. What is the general feeling about the cornhead, which is essettially a NH. The case reverser is also NH. I hope CIH guys give this merger a chance and maybe get the best of both companies.