As I'm writing this I just recently started to move more into pens with finer nibs; both gel and fountain. And that might change my pencil preferences moving forward.
Historically the Pearl have been the one I like the most. Partly because it is the best looking of the regular versions. And I liked that I could sharpen a lot while using it. But now that I've started to like the scratchy pens and such I might be more into the hardest Blackwing aka the Natural. Or I might even be more into even harder pencils like the Golden Bear.