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You can max out 15s if you want, that hasn't mattered in most binding made in the past few years(except stupid Marker M series and some mostly plastic bindings).
If you don't like Jesters though than I would say don't get a dildo heel binding. I too hate Jesters, and I find that Tyrolia Peaks(15s and 18s) have the best feel to me of any binding out there. My second favorite binding brand is Solly, but only the older ones(S914s, S916s, 914 Labs) and current STH 16.
I'm 6'1" and 175 for referance, and have spent a decent amount of time on every binding I mentioned in this post and a lot of others.