Here are some of my favorite albums:
Nick Cave - Tender Prey, The Good Son
Tom Waits - Small Change, Rain Dogs, Bone Machine, Mule Variations (others)
Ween - Chocolate and Cheese, The Mollusk, White Pepper
The Flaming Lips - Clouds Taste Metallic, The Soft Bulletin (this especially)
Wilco - Summerteeth
Will Oldham - I See a Darkness (as Bonnie 'Prince' Billy)
Bjork - Homogenic, Vespertine
Stevie Wonder - Talking Book, Fullfillingness' First Finale, Songs in the Key of Life, (possibly Innervisions, too)
Neil Young - After the Gold Rush, Weld
The Band - Music from Big Pink, The Band
John Lennon - John Lennon/Plastic Ono Band, Imagine
Warren Zevon - Excitable Boy
Johnny Cash - American IV: The Man Comes Around
Danzig - Lucifage
Cat Stevens - Tea for the Tillerman
Judas Priest - Unleashed in the East
Alice in Chains - Dirt, Jar of Flies
The Seatbelts - Cowboy Bebop OST
Beck - Sea Change (can't stand Odelay or Mellow Gold, though)
Bob Dylan - Highway 61 Revisited, John Wesley Harding, Blood on the Tracks, Time out of Mind
Rolling Stones - Beggar's Banquet, Let it Bleed, Sticky Fingers
Joe Satriani - Surfing with the Alien
Hank Williams Sr. - 40 Greatest Hits
DJ Shadow - Endtroducing
Portishead - Dummy
Marty Robbins - Gunfighter Ballads
Creedence Clearwater Revival - Cosmo's Factory
The Kinks - Arthur
Prince - Purple Rain (but Sign O' the Times comes close)
Modest Mouse - The Moon and Antarctica
Beach Boys - Pet Sounds
Janis Joplin/Big Brother - Cheap Thrills
Antony and the Johnsons - I Am a Bird Now
Leonard Cohen - Songs of Love and Hate, Death of a Ladies Man
Van Morrison - Astral Weeks
Marilyn Manson - Mechanical Animals (and that's all it'll ever be from him)
Bob Marley - Catch a Fire (though Exodus comes close)
Elton John - Honky Chateau (a few come close - Tumbleweed/Captain Fantastic/etc.)
Lou Reed - Berlin
Alice Cooper - Da Da
Frank Sinatra - For Only the Lonely, In the Wee Small Hours
Marvin Gaye - What's Going On
Pixies - Doolittle
The Cure - Disintegration
Cocteau Twins - Treasure
Bruce Springsteen - Darkness on the Edge of Town
Rage Against the Machine - Rage Against the Machine
Imperial Bedroom - Elvis Costello
Crosby, Stills and Nash - Crosby, Stills and Nash