Nothing much to add, and I know it's been said before, but spitfire really nailed it with F4's.
I'm an "older" guy and have recently gotten back into it with my kids after a long break. So far I've tried Dragons and X97's on my own setup, and Bones 99's, 103a STF's and 104 SPF's on buddies setups.
Decided to buy into the hype and picked up 56mm Conical Full's in 99a and bam, done, love them. I dunno what it is but they just feel and sound like what a skateboard is supposed to for me. Dragons and X97's feel a bit rubbery, STF's and SPF's feel like plastic, F4's just feel perfect.
That's it, love F4's, carry on.