Which Vagabond edition should a collector buy?
Vagabond exists in four collectable forms, two Japanese-born and two American, and they do not compete so much as divide the work. The Japanese singles are the originals. The English singles are the translation, complete. The VIZBIG omnibuses are the reading machine. The Definitive hardcovers are the monument. Choosing well starts with knowing which of those you are actually buying.
One warning before the grid: every edition shares the same unfinished heart. The manga's final five chapters have never been collected anywhere, so completeness, strictly defined, is not on any shelf. Buy the edition that serves your purpose, not a fantasy of the complete set.
THE FOUR WAYS TO OWN IT
And the one that does not existTHE SOJ VERDICT
By what you actually wantFor reading, the VIZBIGs: the most story per dollar, on pages big enough for the art, with the single of volume 37 bought alongside to finish the tale. For the shelf, the Definitive hardcovers, bought as they release, accepting the wait. For the object itself, the Japanese singles, where a first-printing volume 1 with its obi is the closest thing Vagabond has to a grail in book form.
And one honest gap in every direction: no edition, in any language, contains the ending, because the manga has none yet. Chapters 323 to 327, published in Morning in 2015, have never been collected into any volume. The complete Vagabond, as a set of books, does not exist. Collect the editions for what they are, and know that the last five chapters live, for now, only in the magazine.