Both cloth and disposables.
In cloth, I'm decidedly "retro." I especially like prefolds (what I wore as a baby and had access to throughout my childhood), and my favorite adult prefolds come from Changing Times. I consider the Baby Pants prefolds (in twill) a close runner-up, and the Adult Cloth Diaper gauze prefolds are good stuff too. Other prefolds that I own but don't care for as much include the Baby Pants birdseye, the Angel Fluff gauze, and the KINS (Babykins) flannel.
I also have (and like) a couple of the Super Snap diapers from Rearz, which are basically twill contours with elastics and snaps -- very comfy.
And the Baby Pants training pants are very diapery and pleasing.
And I have an enormous collection of baby prefolds for boosters. Many of these are vintage Curity, which are wonderfully soft, and still obtainable brand new on eBay of you're diligent about watching.
Am I leaving anything out? Probably.
In disposables, my preferences are a little difficult. I've never really managed to love an adult disposable. Instead, I usually keep a variety of Pampers and Luvs baby diapers in my stash, and will variously modify or stretch into these when I feel like a quick, no-laundry diaper fix. Having used Pampers since I was a teen, and having allowed my preferences to evolve along with them in the intervening decades, it's difficult for me to look at a multi-tape, plastic-backed adult diaper and feel anything.
I'll reluctantly admit to liking Cushies -- the kind with the cloth-like backing. The single-tape design is a big deal to me, for no particularly rational reason. It's just part of my definition of "babyish."
