Porcupine Tree - Signify, Up the Downstair, Fear of a Blank Planet
Opeth - Deliverance, Ghost Reveries, Still Life
Steven Wilson - Insurgentes
Agalloch - Ashes Against the Grain, Pale Folklore, The Mantle
Dredg - The Pariah, The Parrot, The Delusion, El Cielo
Ulver - Perdition City, Shadows of the Sun
Radiohead - In Rainbows, Kid A, Amnesiac
Modest Mouse - Good News For People Who Love Bad News
Riverside - Anno Domini High Defenition, Rapid Eye Movement
Dream Theater - Six Degrees of Inner Turbulence
Anathema - We're Here Because We're Here
The River Empires - Epilogue
Gazpacho - Night
No-Man - Schoolyard Ghosts, Together We're Stranger
Blackfield - Blackfield
Tool - Lateralus
Bass Communion - Ghosts on Magnetic Tape
Periphery - Periphery
To name a few ofc... there's probably more, but at the top of my head. =D