Here's all the anime music I own, in no particular order:
Ghost in the Shell: Innocence--OST
Ghost in the Shell: Stand Alone Complex--OST 1-3, Be Human, Solid State Society, unreleased tracks
Noir--OST 1-2, Blanc Dans
Mai-HIME--OST 1-2
Tsubasa Chronicles--OST 1-2
.hack//SIGN--Song and Sound File 1-2
Earth Girl Arjuna--Into the Another World, Onna no Minato
Cowboy Bebop--Limited Edition 4 CD box set
Melody of Oblivion--OST 1-2
Revolutionary Girl Utena--OST 1, Adolescence Rush
Haibane Renmei--Hanenone
Tsubasa Chronicles--Future Soundscape 1-2
Brain Powerd--OST 1-2
Gunslinger Girl--OST 1
Violinist of Hamelin--OST 1-3
Le Portrait de Petit Cossette--OST 1
RahXephon--RahXephon Pluralitas Concentio OST
Wolf's Rain--OST 1-2, unreleased tracks
Death Note--OST 1
Turn A Gundam--OST 1-2
Full Metal Panic! TSR--OST 1
Gankutsuou--OST 1, Classic Compilation
Soukyuu no Fafner--Original Soundtrack and Image CD, RIGHT OF LEFT
Witch Hunter Robin--OST 1
Angel Sanctuary--OST 1
Ayashi no Ceres--Destined
DNAngel--OST 2 (tracks 3, 8, 15, 19)
Elfen Lied--OST 1
Fullmetal Alchemist--OST 1-3, Wingless Angel
Genesis of Aquarion--OST 1-2
GetBackers--OST 1-2
Gun x Sword--OST 1-2
Jin-Roh--OST 1
Memories--OST
Princess Mononoke--OST
Spirited Away--OST
Blood+--OST 1-2
Xenosaga (Game)--Episode 1-3, Unreleased Tracks
Jigoku Shoujo--OST 1-2
Rurouni Kenshin--Tsuiokuhen, Seisouhen
Fate/Stay Night--OST 1
Macross Frontier--OST 1-2
Read or Die TV--OST 1
Soul Eater--OST 1
Non-anime stuff, works of Yoko Kanno
23 ji no Ongaku
Song to Fly
Mizu no Onna OST
tokyo.sora OST
Elegant World OST
Ashurajo no Hitomi
Napple Tale
Ragnarok Online II
KOEI Game Music, Yoko Kanno Collection
Say Hello
CM Yoko
Creation
**If anyone wants to point me in the direction of more YK music, I won't object!!**