Ok here goes, from one avid anime watcher to another, I mean, really avid watcher...
Overman King Gainer
Seriously, you will be sold with the opening song alone:
Excel Saga (A gag anime, but really fucked up.)
Scrapped Princess (though opinions might differ on this...)
GunGrave (It's a bit slow at times, but worth it.)
Wolf Rain (It got real boring half way through but I stuck with it anyway's, you might like it for the long drawn out exposition and boring dialogue, maybe.)
Golden Boy (One of the few animes I keep coming back to again and again, really, watch this, it's like six episodes but will stay with you for life...... KINTARO AWAA(OOOOEEEEE)AAAAY!)
Jungle Wa Itsumo Hale Nochi Guu (Again, be sold on the strangeness of the opening
Yakitate!! Japan (Seriously worth watching, will make you worship bread if easily influenced.)
There's many more I can recommend but other probably have in my place, to be honest I haven't read through all 4 pages of responses yet so I've left out the obvious ones others would have already made.
All these should match your tastes so give them a try.
Oh yeah, Tengen Toppa Gurren Lagann, if no one else has mentioned it.
I take Trigun as watched and Akira, Claymore, One Piece etc right?
Edit: Read all the pages, have to add a few more;
The Yu Yu Hakusho mention reminded me of two animes worth watching, Flame of Recca and 3x3 Eyes, the former be quite good and the latter being mind blowingly awesome, you will be blown away by everything in this.
Also, Sexy Commando Gaiden, this will have you leaping of your seat shouting "WHAT THE FUCK" at the screen every other second.
GTO is worth watching too, but I would recommend the manga instead as I preferred it greatly.
Overman King Gainer
Seriously, you will be sold with the opening song alone:
Excel Saga (A gag anime, but really fucked up.)
Scrapped Princess (though opinions might differ on this...)
GunGrave (It's a bit slow at times, but worth it.)
Wolf Rain (It got real boring half way through but I stuck with it anyway's, you might like it for the long drawn out exposition and boring dialogue, maybe.)
Golden Boy (One of the few animes I keep coming back to again and again, really, watch this, it's like six episodes but will stay with you for life...... KINTARO AWAA(OOOOEEEEE)AAAAY!)
Jungle Wa Itsumo Hale Nochi Guu (Again, be sold on the strangeness of the opening
[youtube:kDLUr2zKB3w]
Yakitate!! Japan (Seriously worth watching, will make you worship bread if easily influenced.)
There's many more I can recommend but other probably have in my place, to be honest I haven't read through all 4 pages of responses yet so I've left out the obvious ones others would have already made.
All these should match your tastes so give them a try.
Oh yeah, Tengen Toppa Gurren Lagann, if no one else has mentioned it.
I take Trigun as watched and Akira, Claymore, One Piece etc right?
Edit: Read all the pages, have to add a few more;
The Yu Yu Hakusho mention reminded me of two animes worth watching, Flame of Recca and 3x3 Eyes, the former be quite good and the latter being mind blowingly awesome, you will be blown away by everything in this.
Also, Sexy Commando Gaiden, this will have you leaping of your seat shouting "WHAT THE FUCK" at the screen every other second.
GTO is worth watching too, but I would recommend the manga instead as I preferred it greatly.