Gungrave ... great drama series about 2 best friends who join the mafia. It's been called the Goodfellas meet the Crow
Blood+ ... A spin off of Blood the Last Vampire movie. It's not actually a sequel or prequel but it has the same character.
Azumanga Daioh ... A funny random anime about Japanese high school girls. Real funny ****.
Chrno Crusade ... Nuns with guns. Nuff said.
The Full Metal Panic series ... there's 3 different series & an OVA out for this. The 1st is all mech, the 2nd is all comedy & it's back to serious mech **** with the 3rd.
Samurai Deeper Kyo ... A great samurai series. Highly underrated.
Samurai Champloo ... A samurai series with an hip-hop mixture to it. Same ppl who made Cowboy Bebop made this.
Samurai 7 ... Based off the Japanese classic Seven Samurai. It's not as good as the movie but it's good in it's own rights. What seperates it from other Samurai series is that the samurai here are mechs. Not all of them but of good few them, mainly the Bandits.
Eyeshield 21 ... A comedy sports series. The sport being football, not futbol, but football. The downside, the sub release are real ... real .... slow. The series is at around 60 or 70 episodes while the subs are at 47.
The Melancholy of Haruhi Suzumiya ... A comedy series that follows this high school girl who has a thing for aliens, esper, time travelers ... basically **** that's out of the ordinary. The series is told in complete randomness.
Sousei No Aquarion ... great animation to this mech series. And very underrated.
Trinity Blood ... A vampire series. It's due to air on [AS] this fall or early next 2007.
Peacemaker Kurogane ... another highly underrated smaurai series.
R.O.D ... You should watch the OVA first then the tv series.
Monster ... One of the best drama/mystery series out.
here's some movies you should check out ...
The Place Promised in Our Early Days,
Fullmetal Alchemist: The Conqueror of Shambala,
Steamboy
and finally there's manga series to check out ....
Death Note.
Almost forgot about the J-music you were talking about.
You probably already know of
L'arc en Ciel. They're mostly known for the theme song to Full Metal Alchemist titled Ready Steady Go! The leading singer Hyde has his own solo project going on as well. He has a theme song on the anime series Blood+.
There's FLOW whose known for the Naruto theme song Go! & Re:member. I have their Game album, which is real great. I just need to find the rest.
High and Mighty Color is being called the Japanese version of Evenesnce or however you spell it. I have all their albums, which is 2
Not really feeling the 2nd as much as I feel the 1st. I can play the 1st album from 1st to last track. It's that good.
a couple of others you should give a try ...
Orange Range, Kung Fu Generation, Bivattchee, SuperCar, Mika Nakashima, Sowelu, Home made kazoku, T.M.Revolution, Uverworld, Izawa Asami, Coolon ... probably more that I'm forgetting to mention.