Just my opinion but if the seat heights are off, seems to me the guides and seat concentricity might be off too. That's what I usually find and thats' why i have every set corrected. I didnt buy $1600 worth of head to not get everything I can for it.

Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.