Having seen alot myself and finally listed those i watched, here is a top-notch list for those who crave for a new series. (imo there is no bad anime in here), if you want to know more... let me know -.^
Btw, RANDOM list.. not ordered from best->worst / worst-> best, just random.
1- Dragonball z-gt
2- Bleach
3- Naruto
4- Fairy Tail
5- Elfen Lied
6- Code Geass
7- Death Note
8- Tenjou Tenge
9- Great Teacher Onizuka
10- Claymore
11- Chobits
12- Toradora
13- Kekkaishi
14- Gantz
15- Hikaru no Go
16- 11 Eyes
17- Hajime no Ippo
18- Kateikyoushi Hitman Reborn
19- Phantom: Requiem of the Phantom
20- Hakuoki Shinsengumi Kitan
21- Samurai Champloo
22- Peacemaker Kurogane
23- Rurouni Kenshin
24- Soul Eater
25- D. Gray Man
26- Asu no Yoichi!
27- Baki The Grappler
28- Buso Renkin
29- Monster
30- Casshern Sins
31- Highschool of the Dead
32- Kenichi the Mightiest Disciple
33- Trigun
34- Zero no Tsukaima
35- Yu Yu Hakusho
36- Blood+
37- Air Gear
38- Fullmetal Alchemist
39- Getbackers
40- Shakugan no Shana
41- Tales of the Abyss
42- Demon eyes Kyo
43- Full metal Panic
44- Kaze no Stigma
45- Mai HiME
46- School Rumble
47- Samurai 7
48- Basilisk
49- D.N Angel
50- Tsubasa Chronicle
51- E's Otherwise
52- Ah! My Goddess
53- CANAAN
54- Durarara!!
55- Hayate no Gotoku!
56- Kurozuka
57- Needless
58- Pandora Hearts
59- School Days
60- Shigurui
61- 07-Ghost
62- Sora no Otoshimono
63- Air Master
64- Ichiban Ushiro no Daimaou
65- Angel Beats
66- Kurokami
67- Seiken no Blacksmith
68- Akagi
69- Koukaku no Regios
70- Speed Grapher
71- Welcome to the N.H.K
72- Tengen Toppa Gurren Lagann
73- Tokkô
74- Katanagatari
75- Eureka Seven
76- Hunter x Hunter
77- Maburaho
78- Baccano
79- Kaiji
80- One Outs
81- Gosick
82- Special A
83- Darker than Black
84- The Law of Ueki
85- Fruits Basket
86- Major
87- Guilty Crown
88- Shion no Ou
89- Mirai Nikki
90- Beelzebub
91- Fate stay Night
92- Accel World
93- Slam Dunk
94- Kuroko No Basket (S1)
95- Sword Art Online
96- Chihayafuru (S1)
97- Tantei Gakuen Q
98- Jormungand
99- Ben-to
100- Battle Programmer Shirase
101- Salaryman Kintaro
102- Ichigo 100%
103- Code;Breaker
104- Btooom!
105- K (Project K)
