Had a look around #Bluesky. First impression: The onboarding experience is much easier than on Mastodon, but otherwise usability is a bit meh.
What they do well: Having Starterpacks helps getting the necessary number of follows up to where it begins to get fun. Its also generally easier to find and follow people, whereas Mastodon made this often very difficult
Two timelines for recommendations and follows don't really work for me, and they largely overlap