IG is complicated, I will grant you that and perhaps my tone was a tad stronger than intended....let's just say that 57 surprised me. Your QBA and thresh are darn close to king's set and I would expect the thresh and QBA differences to balance out...and his is at 80 and it works well.
I'm always open to new ideas and I am going to take a hard look at your settings (....just don't expect me to play on normal speed
