Do you prefer Anime or Manga? And if Anime, do you prefer Subbed or Dubbed?
Manga is usually released first, and in many cases is more graphic than the Anime.
Subbed Anime (Spoken in Japanese, with English subtitles) is usually released second, often contains more content than the manga (called filler episodes/arks), and is animated.
Dubbed Anime (Spoken in English) is usually released the last. It has the same benefits as the Subbed version, though some of the dialogue has to be changed so that the English translation matches the movement of the characters mouth, which is in Japanese.