RE: sight vs rest vs knocks
once you know your tiller, you create a garden with it.
ok, seriously, i guess an even tiller is a good place to start. the tiller measurement on each limb should be the same - that's what you're trying to find out. it would be good to set them equalbefore fixing your nocking situation because when you change your tiller - if you need to - it will change your nocking pt.