I believe you might be thinking about the D i n o d a n c e recordings from the Melloboat? If that's the case, it's not the actual DVD, but some video recordings by some of the guys on the D i n o d a n c e board (which no longer exists). However, some of the stuff from those recordings will be on the actual Melloboat DVD (Stefan asked if he could use some of the stuff). Just a few clips of the D i n o d a n c e guys talking if I understood it right when I talked to the guy who edited it.
If I understood things right, the actual Melloboat DVD is finished and all that is left is for Opeth's management to sign the ok before they can ship it out. So it should be released soonish.
The Comus DVD from the Melloboat is a separate DVD, sold by Comus, which has already been released.