Just to add to some conversations.

Berserk ending. Was dissapointing. The manga takes off after that. Hence, if you really loved it, try and find the manga (Rare to find sadly).

Mahoromatic Ending. Brilliant until the final episode which was down right crap.
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Some Brilliant, maybe might have been mentioned. I dunno if you consider them 'not mentioned'
Most "BEST ANIME" have been mentioned. So here's are not too bad and enjoyable serieses for the very bored.

1) GunParade March (About military high school of some kids, and how they live their life as normal as possible although their world is probably dying very soon)

2)Scrapped Princess (Girl who was prophecised to destroy the world in her 16th birthday, and his hunted down and despised like a criminal, *note: Very Matrix-ey*)

3)Hanaukyo Maids (The first season, Ended off very weird, lots of room for more, about a kid who inherited the world's most powerful corporation without knowing it)

4)Stellvia of the Universe (Space show, after a phenomenon that destroyed most of the earth, this is the story of a girl few hundred years later who together tries and save earth from the next similar phenomenon about to occur)

5) Matantei Loki Ragnarok ( This girl crazy over detective stories and dreams to be a mystery detective pairs up with a small kid detective who is actually Loki, a God.)

6) Onegai Teacher (Some lovey dovey story pushing the boundaries of student-teacher relationship, btw, I found Onegai Teacher better than Onegai Twins )

7) Last Exile (Umm. One Battleship the Silverna and it's crew preventing a major war between the two nations, COOL HIGHLY RATED MOVIE!)

8) Voices from a distant Star, Hoshi No Koe (Brilliant 30 minute anime. Dunno how to explain. If you haven't watched it. WATCH IT NOW!)

Rest that lots of ppl like, but I wasn't fond off = Chobits, Ai Yori Aoshi, Fruit Basket, Heppy Lesson.