I, for one, enjoy this post a lot. I don't respond to every album, because I may only know the hits.
In 1987, Rolling Stone did an issue on the top 100 albums of the last 20 years. A lot of those albums you've covered already, but maybe you'll find some you missed.. Some of them are VERY obscure, but I was actually influenced to check them out because of their placement in these surveys. Here is the list:
1. The Beatles Sgt. Pepper's Lonely Hearts Club Band
2. Sex Pistols Never Mind the Bollocks
3. Rolling Stones Exile on Main Street
4. John Lennon Plastic Ono Band
5. Jimi Hendrix Are You Experienced?
6. David Bowie The Rise and Fall of Ziggy Stardust…
7. Van Morrison Astral Weeks
8. Bruce Springsteen Born to Run
9. The Beatles The Beatles
10. Marvin Gaye What's Going On
11. Elvis Costello This Year's Model
12. Bob Dylan Blood on the Tracks
13. Bob Dylan and The Band The Basement Tapes
14. The Clash London Calling
15. The Rolling Stones Beggars Banquet
16. Patti Smith Horses
17. The Beatles Abbey Road
18. The Rolling Stones Let It Bleed
19. The Band The Band
20. Prince Dirty Mind
21. The Velvet Underground and Nico The Velvet Underground and Nico
22. The Who Who's Next
23. Derek and The Dominos Layla
24. Richard and Linda Thompson Shoot Out the Lights
25. The Doors The Doors
26. Neil Young Tonight's the Night
27. The Clash The Clash
28. Bruce Springsteen Born in the USA
29. Elvis Costello My Aim Is True
30. Sly and The Family Stone There's a Riot Goin' On
31. The Rolling Stones Sticky Fingers
32. The Velvet Underground Loaded
33. Captain Beefheart and His Magic Band Trout Mask Replica
34. Rod Stewart Every Picture Tells a Story
35. Pink Floyd The Dark Side of the Moon
36. Creedence Clearwater Revival Willy and the Poor Boys
37. Stevie Wonder Innervisions
38. Television Marquee Moon
39. Prince Purple Rain
40. Bruce Springsteen Darkness on the Edge of Town
41. The Band Music From Big Pink
42. The Pretenders The Pretenders
43. Creedence Clearwater Revival Green River
44. Jefferson Airplane Surrealistic Pillow
45. Graham Parker Squeezing Out Sparks
46. Joni Mitchell Blue
47. Led Zeppelin IV
48. Aretha Franklin Lady Soul
49. Randy Newman 12 Songs
50. Big Brother and The Holding Company Cheap Thrills
51. Bruce Springsteen The Wild, The Innocent and the E Street Shuffle
52. The Modern Lovers
53. Talking Heads Remain in Light
54. Graham Parker and The Rumour Howlin' Wind
55. New York Dolls
56. Paul Simon Graceland
57. Talking Heads More Songs About Buildings and Food
58. R.E.M. Murmur
59. Van Morrison Moondance
60. Various Artists The Harder They Come
61. John Lennon Imagine
62. Jimi Hendrix Electric Ladyland
63. Bruce Springsteen The River
66. Stevie Wonder Talking Book
65. Elvis Costello Get Happy
66. Neil Young and Crazy Horse Rust Never Sleeps
67. Bob Dylan John Wesley Harding
68. Michael Jackson Off the Wall
69. Ramones Ramones
70. The Rolling Stones Between the Buttons
71. Neil Young After the Gold Rush
72. Fleetwood Mac Rumours
73. Todd Rundgren Something/Anything?
74. Crosby, Stills and Nash Crosby, Stills and Nash
75. Al Green Call Me
76. Elvis Presley From Elvis in Memphis
77. The Mothers of Invention We're Only In It For the Money
78. Sly and The Family Stone Greatest Hits
79. Pink Floyd The Piper at the Gates of Dawn
80. Talking Heads '77
81. Miles Davis pregnant doges Brew
82. The Byrds Sweetheart of the Rodeo
83. Led Zeppelin II
84. Roxy Music Siren
85. Michael Jackson Thriller
86. Richard and Linda Thompson I Want To See the Bright Lights Tonight
87. Sly and The Family Stone Stand
88. Iggy and The Stooges Raw Power
89. Randy Newman Sail Away
90. Nuggets Original Artifacts from the First Psychedelic Era
91. Aretha Franklin I Never Loved a Man The Way I Loved You
92. Southside Johnny Hearts of Stone
93. Simon and Garfunkel Bridge Over Troubled Waters
94. Talking Heads Fear of Music
95. Otis Redding History of Otis Reading
96. David Bowie ChangesOneBowie
97. Velvet Underground Velvet Underground
98. Steely Dan Katy Lied
99. The Who Meaty Beaty Big and Bouncy
100. T. Rex Electric Warrier
Also, in 1990, they published an issue of the top 100 albums of the 80's:
1.London Calling, The Clash
2.Purple Rain, Prince
3.The Joshua Tree, U2
4.Remain In Light, Talking Heads
5.Graceland, Paul Simon
6.Born in the U.S.A., Bruce Springsteen
7.Thriller, Michael Jackson
8.Murmur, R.E.M.
9.Shoot Out The Lights, Richard and Linda Thompson
10.Tracy Chapman, Tracy Chapman
11.Get Happy!!, Elvis Costello
12.It Takes a Nation of Millions to Hold Us Back, Public Enemy
13.Diesel And Dust, Midnight Oil
14.So, Peter Gabriel
15.Let It Be, The Replacements
16.1999, Prince
17.Synchronicity, The Police
18.Dirty Mind, Prince
19.New York, Lou Reed
20.Pretenders, The Pretenders
21.Rain Dogs, Tom Waits
22.The Smiths, The Smiths
23.Red, Black Uhuru
24.Los Angeles, X
25.Tunnel Of Love, Bruce Springsteen
26.Back In Black, AC/DC
27.Appetite For Destuction, Guns N' Roses
28.Control, Janet Jackson
29.Double Fantasy, John Lennon and Yoko Ono
30.How Will The Wold Survive?, Los Lobos
31.Avalon, Roxy Music
32.Uh-Huh, John Cougar Mellencamp
33.Zen Arcade, Hüsker Dü
34.Tattoo You, The Rolling Stones
35.Kill 'Em All, Metallica
36.Rapture, Anita Baker
37.Midnight Love, Marvin Gaye
38.Imperial Bedroom, Elvis Costello
39.Eliminator, ZZ Top
40.War, U2
41.Document, R.E.M.
42.Strong Persuader, The Robert Cray Band
43.Nebraska, Bruce Springsteen
44.Oh Mercy, Bob Dylan
45.Daydream Nation, Sonic Youth
46.Peter Gabriel, Peter Gabriel
47.Private Dancer, Tina Turner
48.Skylarking, XTC
49.Crazy Rhythms, The Feelies
50.Madonna,Madonna
51.Run-D.M.C., Run-D.M.C.
52.Making Movies, Dire Straits
53.Bring The Family, John Hiatt
54.Speaking In Tongues, Talking Heads
55.Centerfield, John Fogerty
56.Closer, Joy Division
57.Empty Glass, Pete Townshed
58.The Indestructible Beat of Soweto, Various Artists
59.Computer Games, George Clinton
60.The Blue Mask, Lou Reed
61.Doc At The Radar Station, Captain Beefheart and the Magic Band
62.Pyromania, Def Leppard
63.Entertainment!, Gang Of Four
64.Vivid, Living Colour
65.In My Tribe, 10,000 Maniacs
66.Fiyo On The Bayou, The Neville Brothers
67.Trouble In Paradise, Randy Newman
68.The Specials, The Specials
69.Radio, LL Cool J
70.Traveling Wilburys Volume I, The Traveling Wilburys
71.Crowded House, Crowded House
72.Marshall Crenshaw, Marshall Crenshaw
73.Building The Perfect Beast, Don Henley
74.Sign O' The Times, Prince
75.She's So Unusual, Cyndi Lauper
76.Second Edition, Public Image Limited
77.Robbie Robertson, Robbie Robertson
78.Dare, Human League
79.Guitar Town, Steve Earle
80.Suzanne Vega, Suzanna Vega
81.1984, Van Halen
82.East Side Story, Squeeze
83.Let's Dance, David Bowie
84.Faith, George Michael
85.Freedom, Neil Young
86.The River, Bruce Springsteen
87.Steel Wheels, The Rolling Stones
88.Lives In The Balance, Jackson Browne
89.Who's Zoomin' Who?, Aretha Franklin
90....Nothing Like The Sun, Sting
91.Lyle Lovett, Lyle Lovett
92.Full Moon Fever, Tom Petty and the Heartbreakers
93.The Night I Fell In Love, Luther Vandross
94.Power, Corruption & Lits, New Order
95.Scarecrow, John Cougar Mellencamp
96.Colour By Numbers, Culture Club
97.The Mona Lisa's Sister, Grahm Parker
98.Labour Of Love, UB40
99.What Up, Dog?, Was (Not Was)
00.Sun City, Artists United Against Apartheid
Again, there are many albums listed here that I don't expect a lot of people to be familiar with, but I'm just giving you some ideas...