Favorite Concept Albums?

Let's see if I got the question right >
Hidden - spectral Magnitude ?
Annihilatus - Blood & War
Wyrd - Heathen
Evol - The Saga of the Horned King
/...
 
Queensryche - Operation Mindcrime
Pink Floyd - The Wall
King Diamond - All (including the first three songs on Fatal Portrait)
Green Carnation - Light Of Day, Day Of Darkness
Edge Of Sanity - Crimson
Iron Maiden - Seventh Son Of A Seventh Son
WASP - The Crimson Idol
Autumn Tears - Love Poems For Dying Children (Acts I, II, III)
Nevermore - Dreaming Neon Black
Kamelot - Epica
Grave Digger - Excalibur
 
hummm... GOOD QUESTION!!!

Opeth - Still Life (i'm not too sure about this)
Opeth - My Arms Your Hearse
Therion - Secret of the Runes
Green Carnation - Light Of Day, Day of Darkness
Dream Theather - Scenes from a Memory
 
Queensryche-Operation:Mindcrime (the best concept album of all time)
Pain of Salvation-The Perfect Element Part I (honorable mention goes to Remedy Lane)
Opeth-Still Life
Edge of Sanity-Crimson (even though it's just one song)
 
Blind Guardian - Nightfall in Middle Earth
King Diamond - 'Them'
King Diamond - Abigail
King Diamond - Conspiracy
King Diamond - The Eye
Queensryche - Operation Mindcrime
Pink Floyd - The Wall
Savatage - The Wake of Magellan