Tingin ko depende sa anong priority at hinahanap mo sa manga.
Naruto:
1. May mga astig/cool/brilliant na team battles, combos, and strategies (lalo na nung Part1)
2. Moderately interesting and unique world setting, at least nung late 90s-early 2000s
Bleach:
1. Character design na tipong badass at may serious tone
2. Less "kiddy" ang battle scenes, sometimes with excessive violence in an attempt to "push boundaries" and look cool
One Piece:
1. Malaman, logical, at captivating ang writing; one of the best manga writers talaga si Oda
2. Ibang level ang pagkakadetail ng setting/world ni Oda kahit expanded talaga ito
Of course may mga overlap, pero that's basically their forte sa tingin ko. Pero One Piece pa rin ang vote ko, kahit 2008 lang ako nagbasa nito iba talaga ang enjoyment pag yung ang binabasa. Not to mention, never ko pa nga dig ito dati as an anime (2005-6ish) habang pinagpipiyestahan ko nun ang Bleach at Naruto awesome animations.