Mine might not be as impressive as the others, but here's mine:
Rurouni Kenshin
Samurai X
Rurouni Kenshin the Movie
Rurouni Kenshin Seisou-hen (OVA 2)
Cowboy Bebop
Trigun
Magic Knight Rayearth
Sailormoon
The Big O
Mahou Tsukai Tai
Kaitou Saint Tail
Kamikaze Kaitou Jeanne
Cardcaptor Sakura
Fushigi Yuugi TV
Fushigi Yuugi OVA
Shoujo Kakumei Utena
Fruits Basket
Gensomaden Saiyuki
Vampire Hunter D
Outlaw Star
Ranma 1/2
Vampire Princess Miyu TV
Vampire Princess Miyu OVA
Kaikan Phrase
Kite
Serial Experiments Lain
Nadia: Secret of Blue Waters
WeiB Kreuz
NieA_7
Miyuki-chan in Wonderland
Boogiepop Phantom
Variable Geo OVA
Ayane's High Kick
Master of Mosquiton OVA
Gestalt
Perfect Blue
Mononoke Hime (Princess Mononoke)
El-Hazard TV The Wanderers
Petshop of Horrors
FAKE
Meitantei Homouzu
Riding Bean
Gunsmith Cats
Elf Princess Raine
Princess Rouge: Legend of the Last Labyrinth
Battle Arena Toshinden (Uncut)
Voogie's Angels
Evangelion
Twin Signal
Nadesico
Adventures of Kotetsu
Ayashi no Ceres
Ninja Scroll
Puppet Master
Blade of the Immortal
Darkside Blues
Blue Seed
Darkstalkers
Angel Sanctuary
Demon City Shinjuku
Here is Greenwood
Demon Fighter Kocho
Dragoon
Final Fantasy
Fire Emblem
Iczelion
Gowcaizer
Tekken
X the Movie
Tokyo Babylon
Marriage OVA
Shamanic Princess
Maze OVA
Ruin Explorers
Mayonaka no Tantei Nightwalker
Ninja Cadets
Sakura Diaries
Sakura Taisen OVA
Wild Cartz
Shinesman
Tattoon Master
Sorcerer Hunters
Sukeban Deka
Sukeban Deka 2
Fight!
EDIT: Just a few more to add.
Houshin Engi Sekaikaden
Hellsing
Fruits Basket
FLCL
Phew! I think thats it. I still have many more titles I want to see!