Same. I’m still primarily a Plex user for the player (it’s just easier for sharing libraries with everyone) but I love the arr stuff. Just got readarr setup for audio books and audiobookshelf for the player which is really nice.

Probably my favorite feature of the arr suite is in Radarr and list subscribing. I’ve got mine connected to some good letterboxd lists along with things like tmdb popular to keep my library up to date with recent stuff