I would take much of that list:
Michael Jackson - Thriller,
Miles Davis - Bitches Brew,
Boston - 1st album,
UNIVERSAL SACD:
Elton John - Don't Shoot Me I'm Only The Piano Player,
Elton John - Caribou,
Elton John - Rock Of The Westies,
Elton John - Here and There,
Elton John - Blue Moves,
OF COURSE A MUST: Steely Dan - Pretzel Logic,
OF COURSE A MUST: Steely Dan - Katy Lied,
OF COURSE A MUST: Steely Dan - Can't Buy A Thrill,
OF COURSE A MUST: Steely Dan - Countdown To Ecstasy.
WARNER DVD-A:
Chicago - X,
The Cars,
Deep Purple - Burn,
Fleetwood Mac - Fleetwood Mac (1975 album),
Stephen Stills - Stephen Stills (solo debut),
Crosby, Stills, Nash & Young - Déja Vu,
Christopher Cross - Self titled Debut,
Faith No More - The Real Thing,
The Doobie Brothers - Minute By Minute,
Jane's Addiction - Nothing's Shocking,
Red Hot Chilli Peppers - By The Way,
Stone Temple Pilots - Shangri-La Dee Da,
Rush - Vapor Trails.
EMI/Virgin SACD/DVD-A:
David Bowie - Low,
Beach Boys - Surf's Up,
Queen - A Day At The Races (afaik tapes were pulled but unsure if any remixing done),
Phil Collins - No Jacket Required.
But where is my Fleetwood Mac's Tusk?
Lots more unreleased 5.1 (and Quad) beyond just those I listed (and Tusk!) stuck in the vaults I'm sure