I consider myself to be an underzealot. I wouldn't recommend it to anyone who doesn't already know how to get in and out of nano or vi.
My main motivation came from noticing the extensive support for haskell packages. I would have been happy to use a debian-based distro, but haskell seems to be too bleeding edge for distros like ubuntu to keep up.
I have already seen the joke "How do you recognize an Arch Linux user? He will tell you" floating around on the web...