I don't think you'll recognize any loss with that QA offset. That's not enough offset in my book for the bucket to be compromised much. You won't find any product short of #9 lead buckshot that will max out the bucket of you are lifting with common sense.... dirt, gravel, stone, mulch, etc. the bucket capacity isn't really large enough to cause issues for me. Yes, it might work it digging into a pile of CA-6, but thats usually operator error trying to bite too low and deep into in the pile.
I just moved pallets with over 800# of retaining wall blocks on each. Yes, I piled them close to the bulkhead, but no problems. 600# on the tip of the forks is not an issue either, and that's about 36" out in front of the pins, BUT the rear gets light. I only move that kind of weight slowly, and just off the ground.
Yes, Jery's forks can be used on his 3point Pal. It's a carriage on the 3pt that has a removable solid rear blade. The same forks I have store on the carriage out of the way until used. I want the carriage, but have no use for the blade, and want to integrate a 2" receiver into it for my trailer and other uses, but Jery can't do it because it conflicts with his blade. I'd have to improvise... no problem. Still thinking about it.
Ai2's QA didn't impress me. I like the solid built QA from Jery because of quality, the quick-flip locks, the 2" receiver, and the ease of hookup. It weighs maybe 40-50 pounds, I'd guess, and I find the receiver will allow me to make attachments for projects, like tined forks for raked grass pickup, crane poles for lifting, special forks for lifting things in tight spaces, adding my dethatcher as a QA, plus ease of moving my trailers.
This is my second QA from Jery. I like the BX model better than the one from my
B2620. Same type and construction, but I can flip the locks easier and the throw is shorter and they snap into place, and I can flip a 2" drawbar around backwards in the receiver out of the way for use when needed.
His forks are the lightest, and moveable. Very easy to install. Mostly, I pop the forks themselves off by hand, then do the frame by hand. They all weigh peanuts.
Any other Q's, just ask.