Others on here are much more qualified to comment on the bowyering. My only thought is that you might find you get a more efficient bow if you can extend your draw length a bit, even if it costs you some of the weight. I believe you will find you shoot the same weight arrow at the same speed, or better, if you get back to 27" and 60 pounds as you will get shooting 24" and 70 pounds, longer power stroke. Something about the draw pic looks a little "hunched up" to me, for lack of a better term. I like to see "relaxed" draw pics. Just a suggestion.