Bruce is correct about Paramount's "Complete Dossier" release of Apocalypse Now on DVD. It is a two-disc set, but disc one contains the first half of the film, and disc two, the second half. Branching is used to include both the original and "Redux" versions.
While the "Final Cut" and workprint versions of Blade Runner each get their own disc, the three "archival" versions--the U.S. theatrical version, international theatrical version, and "director's cut"--are implemented via branching. I, too, would prefer to see branching used on the upcoming...
I've been meaning to start a thread on this very subject. Where they exist, having multiple versions of a film available on Blu-ray/DVD--preferably on the same release--is important to me. I've been pleasantly surprised not only by how many films are available on Blu-ray in multiple versions...