For brevity (and my storage limits) I've narrowed this down to my physical collection. Every album listed here is one I currently own on CD, cassette, or vinyl. The vast majority of these were sourced in person via secondhand stores.

Mer de noms by A Perfect Circle.

Mer de Noms

A Perfect Circle

The Art of Drowning by AFI.

The Art of Drowning

AFI

Jagged Little Pill by Alanis Morrisette.

Jagged Little Pill

Alanis Morrisette

Facelift by Alice in Chains.

Facelift

Alice in Chains

Dirt by Alice in Chains.

Dirt

Alice in Chains

Jar of Flies by Alice in Chains.

Jar of Flies

Alice in Chains

Judgement by Ananthema.

Judgement

Anathema

A Fine Day to Exit by Ananthema.

A Fine Day to Exit

Anathema

A Natural Disaster by Ananthema.

A Natural Disaster

Anathema

Relationship of Command by At the Drive-in.

Relationship of Command

At the Drive-in

Starve by Blood Youth.

Starve

Blood Youth

Surrender by The Chemical Brothers.

Surrender

The Chemical Brothers

Musick to Play in the Dark 2 by Coil.

Musick to Play in the Dark2

Coil

B-Sides & Rarities by Deftones.

B-Sides & Rarities

Deftones

The Singles 81-85 by Depeche Mode.

The Singles 81—85

Depeche Mode

The Singles 86-98 by Depeche Mode.

The Singles 86—98

Depeche Mode

Delta Machine by Depeche Mode.

Delta Machine

Depeche Mode

Worst Case Scenario by dEUS.

Worst Case Scenario

dEUS

Lost Souls by Doves.

Lost Souls

Doves

Version 2.0 by Garbage.

Version 2.0

Garbage

This is Where the Fight Begins by The Ghost of a Thousand.

This is Where the Fight Begins

The Ghost of a Thousand

Demon Days by Gorillaz.

Demon Days

Gorillaz

Greatest Hits by Guns N' Roses.

Greatest Hits

Guns N' Roses

High Times: Singles 1992-2006 by Jamiroquai.

High Times: Singles 1992—2006

Jamiroquai

Sound Awake by Karnivool.

Sound Awake

Karnivool

The Great Cold Distance by Katatonia.

The Great Cold Distance

Katatonia

The Fall of Hearts by Katatonia.

The Fall of Hearts

Katatonia

Blessed by the Burn by Left Behind.

Blessed by the Burn

Left Behind

Meteora by Linkin Park.

Meteora

Linkin Park

Blue Lines by Massive Attack.

Blue Lines

Massive Attack

Protection by Massive Attack.

Protection

Massive Attack

Symphony of Destruction by Megadeth.

Symphony of Destruction

Megadeth

Donnie Darko: Music From the Motion Picture by Michael Andrews.

Donnie Darko (Motion Picture Score)

Michael Andrews

Play by Moby.

Play

Moby

Origin of Symmetry by Muse.

Origin of Symmetry

Muse

Black Holes and Revelations by Muse.

Black Holes and Revelations

Muse

Three Cheers for Sweet Revenge by My Chemical Romance.

Three Cheers for Sweet Revenge

My Chemical Romance

The Black Parade by My Chemical Romance.

The Black Parade

My Chemical Romance

May Death Never Stop You by My Chemical Romance.

May Death Never Stop You

My Chemical Romance

Incesticide by Nirvana.

Incesticide

Nirvana

Nirvana by Nirvana.

Nirvana

Nirvana

Ignition by The Offspring.

Ignition

The Offspring

Blackwater Park by Opeth.

Blackwater Park

Opeth

Ghost Reveries by Opeth.

Ghost Reveries

Opeth

Death to the Pixies by Pixies.

Death to the Pixies

Pixies

Black Market Music by Placebo.

Black Market Music

Placebo

Vanishing Point by Primal Scream.

Vanishing Point

Primal Scream

Invaders Must Die by The Prodigy.

Invaders Must Die

The Prodigy

Come Clean by Puddle of Mudd.

Come Clean

Puddle of Mudd

Different Class by Pulp.

Different Class

Pulp

Automatic for the People by R.E.M..

Automatic for the People

R.E.M.

Monster by R.E.M..

Monster

R.E.M.

E-Bow the Letter by R.E.M..

E-Bow the Letter

R.E.M.

Pablo Honey by R.E.M..

Pablo Honey

Radiohead

OK Computer by R.E.M..

OK Computer

Radiohead

Rage Against the Machine by Rage Against the Machine.

Rage Against the Machine

Rage Against the Machine

By the Way by Red Hot Chili Peppers.

By the Way

Red Hot Chili Peppers

Brackets by Sigur Ros.

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Sigur Rós

Takk... by Sigur Ros.

Takk...

Sigur Rós

Greatest Hits: Rotten Apples by The Smashing Pumpkins.

Greatest Hits: Rotten Apples

The Smashing Pumpkins

Irresistible Bliss by Soul Coughing.

Irresistible Bliss

Soul Coughing

Pulp Ficton: Music From The Motion Picture by Various Artists.

Pulp Ficton: Music From The Motion Picture

Various Artists

Reservoir Dogs: Music From The Motion Picture by Various Artists.

Reservoir Dogs: Music From The Motion Picture

Various Artists

Xen Cuts by Various Artists.

Xen Cuts

Various Artists