Mechanical keyboards, anyone?

I'm only a beginner down the rabbithole known as mech-keebs, but I thought I'd source some thoughts here. Apologies if this has been expanded on in other ~hobbies threads.

Those of you who have been in the mech game longer, what switches have you tried? What do you find are your personal preferences on switches and why do you think that is? Have you ventured away from the very popular Cherry MX switches?

What about keycaps? What are your favourite profiles or colourway designs? Preferred material? I am currently rocking a DSA set of keycaps from one of my favourite designers, MiTo: https://mitormk.com/legacy-dsa/ I got the blue/black Tron-inspired set. I gotta admit, I was a little skeptical of ABS caps, but they're really nicely textured in a way that's reminiscent of PBT, but without that powdery grippiness.

Tell me about some of your favourite layouts too! I hear some pretty aggressive proponents of tenkeyless layouts, but I just really like my numpad for lots of numeric input. If it were just a gaming keyboard, I probably would be pretty happy with TKL though.

Are you working on any new projects right now?

Looking forward to all the responses!