How many series have you watched?

Personally, if you include movies, I've watched around 150~160 different series in total with around 500 GB of it on my HDD.

well ive watched buso renkin, ah!my goddess, hellsing, code geas, shana,and im watching hellsing ultimate and i have ordered black blood brothers

Amatsuki
Armor Hunter Mellowlink
Bakumatsu Kikansetsu Irohanihoheto
BALDR FORCE EXE Resolution
Battle Programmer SHIRASE
Beet the Vandel Buster
Beet the Vandel Buster Excellion
Blade of the Immortal
Blassreiter
Bokurano
Busou Renkin
Black Blood Brothers
Bus Gamer
Black Cat
Clannad
Chaos HEAD
Chrno Crusade
Code Geass
Code Geass R2
Cromartie High School
Darker than BLACK
Death Note
Descendants of Darkness
Detective academy Q
D.Gray-man
Devil May Cry
D.N. Angel
Demon Prince Enma
Elemental Gelade
Elfen Lied
El Cazador de la Bruja
Fate/stay night
Flame of Recca
Gantz
Ga-Rei -Zero-
Get Backers
Ghost Hunt
Gigantic Formula
Gundam 00
Gundam Seed
Gundam Seed Destiny
Hatenkō Yugi
Hayate no Gotoku
Higurashi no Naku Koro ni
Higurashi no Naku Koroni Kai
H2O: Footprints in the Sand
Juusou Kikou Dancouga Nova
Kamen no Maid Guy
Kaze no Stigma
Kekkaishi
Kiba
Koukaku no Regios
Koutetsu Sangokushi
Kyo Kara Maoh!
Kyouran Kazoku Nikki
Lord of Lords Ryu Knight
Monster
Murder Princess
Nabari no Ou
Natsume Yūjin-Chō
Night Head Genesis
Night Wizard
Nodame Cantabile
Omnyou Taisenki
Reideen
Rurouni Kenshin
Samurai Deeper Kyo
Seto no Hanayome
Shakugan no Shana
Shaman King
Soul Eater
Spice and Wolf
Tales of the Abyss
Tenjou Tenge
The Law of Ueki
The Third
Tokyo Underground
Trigun
Tsubasa Reservoir Chronicle
Tytania
Utawarerumono
Vampire Knight
Violinist of Hamelin
World Destruction
Xam'd: Lost Memories
Yu Yu Hakusho
Zoku Natsume Yūjin-Chō
Zombie-Loan

and some more..... + those that are still on going....

I've watched more than 100 anime now but I'm not really sure about it.Maybe I have watch more than 200 actually but who cares?
As long as the name is anime,I will always watch it

DBZ
Sailormoon
Conan the detective
Samurai Champloo
Perfect girl evolution
Vampire knight guild
Code Geass
Bleach
FMA
Excel Saga
Junjou romantica
Love Hina
Skip beat
Hellsing
Devil may cry
Nodome Cantabile

i have around 50 to 60 series
i m to lazy to write them down though

Well...for me not much since i stopped watching anime at my college time...that was 4 years ....
i watched....
Hunter X Hunter
Case closed
Virtua fighter
Bleach
Naruto
Gundam wings
Dragonball z
Slam dunk

well I have too many to be montioned

hunter x hunter
yu yu hakusho
gandam wing
samurai deeper kyo
slam dunk
saurai champloo
Death note
full metal panic
Flame of recca
dragon ball + z + gt
bleach
naruto
inuyasha
rurouni kenshin + it ovas ( trust and betrayal .. and reflection )
one piece
ghost in the shell

and more I can't remeber them all lol

well i am not into anime that much anymore so... any way there is too many i watch but not complete so i'll say about 20 to 30 animes

flame of recca
YU YU hakusho
Gundam
DB series
peace maker
death note
inuyasha
ghost in the shell
naruto
bleach
FMP
samurai deeper kyo
berserk
samuai champloo
vandead
ikki tousen
rurouni kenshin
Love Hina
ouran host club
hellsing
.............................etc

Time (Days) 124.8

Watching 8

Completed 224

On Hold 1

Dropped 1

Plan to Watch 0

Total Entries 234

hmm.... wanna see what i have seen... then go check it out at http://myanimelist.net/animelist/Inseru

Chrno Crusade
Cromartie High School (watched a few episodes with my brother)
Devil May Cry
D.N. Angel
Elfen Lied
Fate/stay night
Gantz (didn't finish)
Ghost Hunt (I love this anime)
Higurashi no Naku Koro ni (have started watching)
Rurouni Kenshin
Trigun (again, never finished because I kinda forgot )
Tsubasa Reservoir Chronicle (OVA's and movie included)
Yu Yu Hakusho
Fruits Basket
Wolf's Rain
Revolutionary Girl Utena (watched on comcast's On Demand when it was there)
Shingu (Old anime, kinda cheesy too)
Witch Hunter Robin
xxxHolic (including the movie)
xxxHolic Kai
Bleach (until episode 114, where I lost interest)
Samurai Champloo
Excel Saga
Case Closed
Dragonball
Dragonball Z
InuYasha
Ghost in the Shell
Yu Yu Hakusho
Vandread
Ouran High School Host Club
Midori Days

And more that I can't remember at the moment.