If you do any MySQL work on a Mac then you should of at least checked out Sequel Pro if not be using it daily. Even though a release hasn't been out for a while you can check in on Sequel Pro Nightly Builds. Obviously these are snapshot but the current build I am on seems quite stable.
From the site so please note:"You are downloading a momentary snapshot of our source code. It is usually incomplete and is not recommended for use in a production environment. Always BACKUP your data first."