WASD UV ABS OEM: Slimy, likely not too resistant to extended usage, but nice profile + customizability
SP DSA ABS: Good feeling, non-sculptured keycaps are not my thing
SP DSA PBT: Hard keycaps, don't like their hardness, they are also mostly warped, also some DSA mold defects live on all keycaps
SP SA ABS: Awesome keycaps, the lack of R4 Shifts suck beyond imagination, the SA profile is not my thing tho, I like Cherry/OEM, SA's were too tall for my taste, not for my laidback typing style
Vortex Cherry PBT, Ivan Dye-subs: Awesome dye-subs, ****ty Vortex PBT's to house them, Vortex PBT's all have stem hole visibility issues, they feel great tho, if you look past their issues
GMK Cherry ABS: Mmmmm, awesome profile, soft/welcoming ABS keycaps, double-shots to live on forever, a dream come true (Awesome legends too)
As far as the "sets" go, GMK Dolch or Dolch in general is my preferred colorscheme, testing 10's of keycap sets, I found out that Contrast is extremely important, Eve modifiers didn't work for me, Hack'd By Geeks set didn't work for me, so it's either Dolch, or well contrasted keycaps like white on black, black on white etc. - this is especially an issue with a monitor shining light onto the keycaps