I have never thought of skittering as a
replacement option that you mentioned, Qwerty.
I have never been able to just trust all my super read & dip technique. But, in all fairness, it really is enuff because when i go back & skitter or rapid read, i generally see that i did pretty much get what i wanted.
So, i'll sr&d, but then skitter which Alex has nicely explained. If i don't feel ok w/ the skitter, then i rapid read & use my pencil to push me along at a steady pace.