Sight unseen.... the Blu-ray DVD has not yet been released. I have however seen all of these films, and own l'Atalante on DVD--which improved the quality of this very old movie. In Blu-ray it will probably be further improved, but I cannot speak to that.
For me there is no movie more romantic and heartfelt than L'Atalante. It's story is simple enough, a young couple is married in a small town and then begins married life on Seine River barge heading for Paris. The deck hand is Michel Simon, (Boudu Saved From Drowning -Jean Renoir) in another funny role. They arrive in Paris, complications ensue... L'Atalante inspired the French New Wave, especially Francois Truffaut, Claude Lelouch and Jacques Rivette. It's one of the great treasures.
Zero de Conduite - is about a rebellion in a boarding school and established that genre. Luis Bunuel's Los Olvidados and Truffaut's the 400 Blows, quote directly from it.
A Propos de Nice and Taris are a City Film and a study of a swimming champion. They will seem very dated, but if you love movies, city films-films about cities-are interesting, both historically, and for the film techniques they used. The qualities of these short movies led directly to Vigo being allowed to make his two feature films.
I can't say enough about Jean Vigo and especially L'Atalante and Zero de Conduit.