I’m not sure what your local LDS is like, but with an experienced hand, a BP/W can be adjusted with ~95% accuracy in ten minutes. Five minutes of potential adjustments after a dive and you’re done indefinitely.I always wanted to try the backplate and wing. But I hear it takes a lot of Gus to get it setup, and I’m too OCD for that. I would never stop trying to tweak. I just want to toss my stuff on and get to the dive