I have a QH15. I wish it wasn't adjustable. After losing the quick release pins, I added bolts. The bolt head/nuts are in the way a bit. Besides, if the implements are really QH compatible and mine are, you never need the adjustment.
So I'd go for a QH that doesn't require bushings and without the adjustment if I was doing it over again. YMMV.
I've thought about the Pats over the years, but my problem is my implements require slightly different top link adjustments. Pat's wouldn't do much to help with that, and I already have the QH and bushings. My guess is it would be better if your implements weren't QH compatible.