Currently watching

Fate/Zero
Kino No Tabi
Dennou Coil
Mirai Nikki
Usagi Drop
Another
Ghost Hunt

Top 10

1. Berserk
2. Cowboy Bebop
3. Samurai Champloo
4. Death Note
5. Ergo Proxy
6. Akagi
7. Hajime no Ippo
8. Mushishi
9. Stein’s Gate
10. Full Metal Alchemist: Brotherhood

Canditates for top 10

Fate/Zero
Planetes
Wolf’s Rain
Evangelion (remake)
Escaflowne
Code Geass (1st and 2nd season)
Kaiji (1st and 2nd season)
Nodame Cantabile

Unrated but worth watching

Natsume (1st, 2nd and 3rd season)
Evangelion
Gekijouban Kara no Kyoukai: The Garden of Sinners
Hikaru no go
Ghost in the Shell (Stand Alone Complex and 2nd Gig)
Eureka 7
Texhnolyze
Gankutsuou
Last Exile
Full Metal Alchemist (1st series)
Shigurui
Broken Blade
Mononoke
Kemonozume
Kaiba
Rurouni Kenshin OVA
Hellsing
Gungrave
Trinity Blood
Xam`d: Lost Memories (Bounen no Xamdou)
Baccano
Durarara
Eve no Jikan
Eden of the East
Fate Stay Night
Witch Hunter Robin
Detroit Metal City
Monster
Kurokami
Darker Than Black
Kurozuka
Gosick
Now and then, here and there
Rainbow
Paranoia Agent
Lain
Kino No Tabi
Moribito – Guardian of the Spirit
Highschool of the Dead
Claymore
Grappler Baki
Deadman Wonderland
Freedom
Gundam Unicorn
Sengoku Basara

Undecided about (taken a break after a few episodes)

Fractale
Level E
Kemono no Souja Erin
Genji Monogatari Sennenki
Aoi Bungaku
Kyou Kara Maou
Aria the origination
Gilgamesh
Tower of Druaga
Tengen Toppa Gurren Lagann
xxxHolic

Have yet to see

Gintama
Ride Back
Chrome-Shelled Regios
Asura Crying
Rah-Xephon
Soul Eater
Legend of the Galactic Heroes
Mawaru Penguindrum
Hi No Tori

Not worth watching

Ao no Exorcist
Dantalian No Shoka
Appleseed XIII
12 kingdoms (koku?)
Vipers Creed
Slayers
Dragonball
One Piece
Naruto
Blood+
Katanagatari
Inuyasha
Green Legend
Trigun
Black Lagoon
Fairy Tail
Brave 10
Bleach

Can’t remember name of

Taking place on earth, some girl getting awoken in an underground chamber and her powers are wanted by some guy. Forest related somehow?
Some Macross 4 episode precursor OVA.
Martial arts anime with non weapon technique inherited from father to son.