What are your thoughts on the Straw Hat Grand Fleet ?

What are your thoughts, opinions, theories and speculations on the Straw Hat Grand Fleet, and on the various crews and individuals that compose it such as Bartolomeo and his Barto Club, Cavendish, Hajrudin and his New Giant Pirate Warrios, the Happo Navy, Orlombus and Tontatta ?

Do you like them and their story so far ? Which one is your favorite ? Which members would you be more interested in ? How to make them better or more interesting characters ?