AAL for lift and load control, single vs multiple

I know it’s been talked about a lot here, but I want to add to the discussion. I’m going to add a Eibach pro-truck lift kit, and I’m pretty sure I want to go with an AAL out back to match the 2” height gain. I use my truck to occasionally haul products for work in the 600-1000 pound range, my truck is the family vehicle for camping trips, and we plan on getting a camper in the next couple years.

Should I go with a single AAL or a multiple setup like the Headstrong or Icon? Which one handles weight better than the other, or is it a wash with the multiple leaf setups riding better unloaded?

Here’s a typical work load: