Just listing some anime series i've watched/watching... for fun.
If you got suggestions, then sure, go ahead and comment/note
watching:
Naruto shippuuden
Bleach
One piece
Phantom- Requiem for a phantom
07 ghost
trinity blood
Kateikyoshi hitman reborn
MAR
Valkyria chronicles

watched:

A cheeky angel
Aishiteruze baby

Baki the Grappler s. 1,2
black cat
buso renkin
beet the vandel buster + excellion
black blood brothers
blade of the immortal
blue dragon

code geass
code geass R2
capeta
chrome shelled regios
claymore
Cowboy Bebop

D. gray man
death note
devil may cry
d.n.angel
dragon ball/dbz/gt

elemental gelade

flame of recca
full metal alchemist
full metal panic
fate/stay night
futakoi

Gokusen
Getbackers
great teacher onizuka
gun x sword
gungrave

hajime no ippo + new challenger
hayate no gotoku season 1
hellsing
hikaru no go
hokuto no ken
honey and clover + 2
hunter x hunter

itazura na kiss

jing king of bandits

kare kano
kino no tabi: the beautiful world
konjiki no gash bell(zatch bell)
kurau: phantom memory
kuro shitsuji

lovedoll~lovely idol~
lovely complex

Major
My wife is a highschool girl

NANA
Naruto
neon genesis evangelion

ouran highschool host club
outlaw star

peacemaker kurogane
prince of tennis

rave master
rurouni kenshin

samurai champloo
school rumble
shaman king
shura no toki
soul eater
soul hunter
samurai 7
samurai deeper kyo
Shingetsutan tsukihime

toradora
tsubasa chronicles
the daughter of 20 faces
trigun

vampire knight

Welcome to NHK

x

Yu gi oh

Zombie loan

What a list o.O i bet it'll be getting longer... i think there's not every series i've watched till now... i got too much free time..