Hmm...Uh, oh, hmm....well... ya know, John, your book is out of date. Uh, Homer updated that stuff years ago, maybe you would like to trade that old, worn thing for a new book. A shiney new, unfaded, updated new book?
Why are you only interested in the final destination? Are you not interested in the journey - the incubation the discoveries the occasional wrong turn that gave greater enlightenment?
If you believe the seventh is "it" then let that be your judgement. I too am interested in what Yoda would say about the evolvement of TGM through trial and research.