Thanks for your comments guys! I'm very impressed with the full version - it was well worth tracking down! Even though I like the album version, it always felt a bit like (to steal a phrase from one of the Wonky video diarys) 'a list of musical bits'. In the long version, I feel like the ideas come properly to fruition, and revisiting certain sections gives it more cohesion too.
The DVD as a whole makes me less critical of The Altogether. I suspect that with all the soundtrack work and extra commissions they were getting at the time, and the ambitious 5.1 / visual project, the actual music kind of got forgotten a little bit. With a bit more time - some more critical editing of some ideas, some more work on others - it could have been fantastic. Still, it wasn't to be. I also suspect that the critical backlash to The Altogether may have been responsible for the guys loss of enthusiasm, leading to diminishing confidence for the Blue Album and deciding to call it a day (for at least a few years). But I don't think they lost it like some people (myself included) may have thought at the time - they were just directing their energies in too many different directions and needed that break. And, obviously, as they've shown us since their return, they've definitely still got it!