I'm a first year drummer on my first drum kit (DW Performance), so I'll be asking dumb questions for a few more years!

I understand that you shouldn't over tighten the cymbal wing nuts.
Industrial felts come in a
variety of different forms, though I guess you could categorize different drum felts as being high, medium, and low density for the sake of simplicity. Nobody here is going to be able to tell the difference between F-2 and F-3 for the purpose of hanging cymbals.
My 2¢
Temporarily remove your wingnuts and top felts, leaving only your bottom felt and sleeve. This is what your cymbals feel like in their unencumbered state, and is the desired feel for a great many genre. Play in this wingnut-less configuration for a while... A week, a month, etc. Once you're accustomed to it, put the top felt and wingnuts back on and feel/listen for the differences.
Don't sweat the density, as all felt will eventually be low-density given enough time and wear. Felts are cheap. Spend $20 on a variety and test them if you're curious. My Gibraltars are somewhere near F7/F11 and I've never had reason to change them.
FWIW, I yanked my nuts off a few years back and really haven't encountered a need for them since.. I think I put them on for one recording a year back. I'm going to go out on a limb and make the assertion that about half the drummers here go wingnut-less/commando the majority of the time. Perhaps a poll would clarify.