I personally think at some point more Doro stuff from the day will show up.
They should then use Assassins Creed technology and get the footage via DNA.
Many QUEEN releases will come in the next hundred years...including Knebworth
It's actually incredible how Queen still haven't released some of their best concert recordings:
Earls Court 77 (compilation of both nights would make an awesome audio release), Hammy '79, Knebworth,...
They should realise a visual document isn't Always needed. Just audio from those great concerts would be enough for me.
Seeing Hammy '79 complete would totally kick ass though...