Well, the site is rather vague on the SE and there have been many times when news of a DVD release pops up on one of these foreign sites but never comes out. The site says it's yet to be confirmed and there hasn't been any news of an SE from any other site. And even if it is two discs, Universal seems to be a studio that likes to skimp out on 2-disc sets. They'll load the first disc with extras so the second disc can be a DVD-5 with only an hour or two of content. This release pattern from Universal would suggest they're more than likely to edit the documentary into smaller pieces than give us the full four and a half hour documentary that would be hard to fit on a DVD-9 anyway. I'd wait for an official announcement before stopping work on this.