OME 885 or 884s for my DCLB

So I'm in the process of upgrading stock suspension. I bought 5100s front and back, got the 5100s installed on the rear already.
I'll probably add a 3 leaf progressive AAL to the back when I lift the front
5100s waiting to be added with either 884 or 885 OME
LR SPC maybe

I've read many threads on this topic for a while and still find myself wondering which way to go, 884s or 885s, prefer to only do 1 alignment.

Biggest thing I wonder about is UCA.
If I can get away without needing new UCA and be able to drive straight at high speeds with 884s, have no problems, I'd probably just do that to save money.
Seems like trying 885s with stock UCA isn't worth trying.

I read about peoples caster numbers not being above 2 and they say it still drives fine and whatnot. I dont know where it's worth trying to get away with sub optimal numbers. I don't offroad much, it is my daily driver and having good drive ability is preferred

So I know its come up a lot on here, but should I try getting away with 884 coils with stock UCA or just go 885 with some LR SPC or something.