After decades of using .010" D'Addario XL110s on all my electrics for decades, I've been stepping down a bit in gauges. My hands aren't as strong as they used to be - partly from age, and partly because I'm not playing as much as when I was a working guitarist.
So I'm in the process of switching to .0095 sets on the 24¾" scale guitars (and 25" scale PRSs), and going to .009s for 25½" scale ones.
Had considered pure nickel for the Fenders, then realized it only makes a difference only on the wound strings. I like the low strings bright.
Might even have to switch to .009s for everything one of these years - depends on how my hands hold up as I age.
Also switching to Elixirs on the steel-string acoustics. Tried them a couple of years ago; coating really does make them last much longer.
I might stick with Martin Marquis for the HD28, not sure. Will decide when the time comes. I don't play my acoustics as often these days.
D'Addario and Slinky sets cost the same; AFAIK they always have (at least since the 70s).
There are some D'Addarios that cost more, but those are specialty strings like stainless or pure nickel, and the pricier NYXLs.
Haven't experimented with any of the brighter sounding hard-alloy strings out of consideration for my frets.