Well, as you know QUEEN holds the title of most remastered band (A NIGHT OF THE OPERA being most remastered album of all times), so you have plenty of releases to pick from:
- Original EMI releases:
THE WORKS, GREATEST HITS, back catalogue, then A KIND OF MAGIC, LIVE MAGIC etc. including 12 3" CD (those were also remastered for Japan).
- Original Elektra releases:
GREATEST HITS, THE GAME and NEWS OF THE WORLD (also rumored HOT SPACE).
- Original Capitol releases:
THE WORKS, A KIND OF MAGIC, promo CLASSIC QUEEN, THE MIRACLE, some simples: 3 promo and also a commercial Scandal (withdrawn).
- Hollywood Records 1991 '20 QUEEN Years' series:
From QUEEN to MIRACLE, except GREATEST HITS and LIVE MAGIC.
Remastered 1990/1991 by Eddy Shreyer at Future Disc Systems, Hollywood and by Stephen Marcussen at Precision Mastering, Hollywood (and I think that also Kevin Metcalfe had something to do with this remastering).
- Mobile Fidelity Sound Lab (MFSL) 1992-1996 "Original Master Recording" series:
A NIGHT AT THE OPERA, NEWS OF THE WORLD, THE GAME and A DAY AT THE RACES.
Released in gold CDs.
- Parlophone 1994/1994 "Digital Master Series":
From QUEEN up to THE WORKS, including LIVE KILLERS and GREATEST HITS.
Remastered 1993 by Kevin Metcalfe at Townhouse Studios, London and by Crispen Murray at Abbey Road Studios, London (except QUEEN by Eddy Shreyer at Future Disc Systems, Hollywood?).
Re-released 1995 in gold CDs as part of the
ULTIMATE QUEEN BOX CABINET. Some tracks also appeared as singles b-sides and also on QUEEN ROCKS.
- DCC Compact Classics 2000 edition of A NIGHT AT THE OPERA.
Remastered by Steve Hoffman and released in gold CD.
- 1998 QUEEN 25th Anniversary series.
From QUEEN up to THE GAME, but not including LIVE KILLERS (ALL albums were remastered but the rest of remain UNRELEASED).
Released by Toshiba-EMI as vinyl mini-replicas,
repacked (minus the obis) by Parlophone/EMI in two numbered boxes: MINATURES I and II.
Lower-quality replicas also released by Hollywood Records in THE CROWN JEWELS box set.
- QUEEN Forever 2001 series:
all albums, including live, GREATEST HITS I (which contain bonus track Teo Torriatte) and GREATEST HITS II (which was extended) compilations.
Originally released by Toshiba-EMI in jewel cases, then re-released in 2004 as deluxe vinyl mini-replicas (except LIVE AT WEMBLEY '86), and again in jewel cases (except LIVE AT WEMBLEY '86) in 2005 to coincide with the WE WILL ROCK YOU japanese premiére.
GREATEST HITS I & II released in 2002 by Hollywood Records as part of THE PLATINUM COLLECTION.
LIVE KILLERS released in 2003 by Parlophone/EMI.
GREATEST HITS re-released in 2004 by Hollywood Records (WE WILL ROCK YOU Edition, with 3 bonus tracks and also another edition with a bonus DVD).
- DTS Entertainment 2001/2003 DVD-As:
A NIGHT AT THE OPERA (two different surround mixes: one released in 2001, withdrawn and then corrected in 2002) and THE GAME.
- Remastered edition of LIVE AT WEMBLEY '86, renamed LIVE AT WEMBLEY STADIUM.
Released in 2003 by Parlophone/EMI, by Hollywood Records (with bonus tracks), and also by Toshiba-EMI as deluxe vinyl mini-replica.
Re-released in 2005 by Toshiba-EMI to coincide with the WE WILL ROCK YOU japanese premiére.
- 30th Anniversary Deluxe Commemorative Release of A NIGHT AT THE OPERA to be released this year.
...And there you have it!