Not the best animes, but they do have good OP.

http://www.youtube.com/watch?v=EgATlhZFAfs
NGE

http://www.youtube.com/watch?v=JHAaczmbrSg
Gundam Wings 1st OP

http://www.youtube.com/watch?v=XZSaY3zw-Eo
Naruto 4th OP

http://www.youtube.com/watch?v=fS1-7CV_t1s
Witch Hunter Robin

http://www.youtube.com/watch?v=f9uX6nt4g78
Ghost In The Shell: Stand Alone Complex

http://www.youtube.com/watch?v=3KY6vPhKDPY
Death Note

http://www.youtube.com/watch?v=PMz6BYM5q30
Claymore

http://www.youtube.com/watch?v=6vMdMqn9H1A

http://www.youtube.com/watch?v=rdERUrLvIW4

Tengen Toppa Gurren-Lagann (1st OP)
http://youtube.com/watch?v=AgKSjUOrgQQ

DNAngel http://www.youtube.com/watch?v=XBC65-1GjAU

http://www.youtube.com/watch?v=9kgVRCfAQIk...feature=related
what u know about this haha

Digimon japanese version first season! and GTO first op.

Ghost In The Shell opeing

Ghost in the Shell: Innocence - opening

GITS - SAC opening

Black Lagoon Opening

Ergo Proxy Opening

Ranma 1/2

Cardcaptor Sakura

http://www.youtube.com/watch?v=ba0ac9K3fSM

Samurai 7 1st OP

http://www.youtube.com/watch?v=fhfQzrYaquE...feature=related

Eureka 7 1st OP

Tengen Toppa Gurren-Lagann (1st OP)
http://youtube.com/watch?v=AgKSjUOrgQQ

Gundam SEED (3rd OP)
http://youtube.com/watch?v=BJsnpiDyj9U

Gundam 00 (1st OP)
http://youtube.com/watch?v=j7TG-C5OBVg

Full Metal Panic!
http://youtube.com/watch?v=MBXWeaMgh2E

Full Metal Panic! The Second Raid
http://youtube.com/watch?v=n_Bbsx4txZg

Macross 7
http://youtube.com/watch?v=pZZfNjY1Y3k

Elfen Lied

WHAT ABOUT BEST ENDINGS?
go...

BLEACH!!

After Dark

ichirin no hana

i like ergo proxy ending better

the nge and gundam ones are nice.

2nd dbz opening
http://www.youtube.com/watch?v=e2n59dI5RUQ

^ yeaaaahhhhhhh! the best one!

this one also

saint seiya - pegasus fantasy
http://ca.youtube.com/watch?v=Ul4CQdOjUI4

macross vfx2 (game)
http://ca.youtube.com/watch?v=s4Iqz15YBlE



non anime (live action opening) sory i cant hold it

sharivan --- kakkkooooooiiiii!!
http://ca.youtube.com/watch?v=vRfJQt8W8tA

gavan!
http://ca.youtube.com/watch?v=AfrEWVb6vyw

kamen Rider black RX
http://ca.youtube.com/watch?v=bbLlTBT2TTs

Love this one.

I can't take anime seriously so I only watch comedy ones.

Jin-Roh

This is a bit different from the opening variant but they're pretty similar anyways(Grace is longer than the OP).

Dragon Ball
http://www.youtube.com/watch?v=wuDvS5izltU...feature=related

Dragon Ball Z 1st op
http://www.youtube.com/watch?v=6rtQbpwmG8I...feature=related

I always fast forward the opening every subsequent episode after watching it the fist time

i did like the GITS SAC season 1 opening though

the song was on some russian ish so it was a nice change from all the jpop

http://www.youtube.com/watch?v=AdZC8EAp62c

Last Exile's opening song is the best opening ever.its sooooooooooooo sensational:

http://www.youtube.com/watch?v=SUjiXriGFbo

Last Exile's ending song is just superb:

http://www.youtube.com/watch?v=Qcv9XgTbD74

check this ending of oban star racers which is a japanese/french animation,its so sweet:

http://www.youtube.com/watch?v=KVzGMfTO9xs

openings to record of lodoss wars

http://www.youtube.com/watch?v=-M04j0j37rI

http://www.youtube.com/watch?v=og1YJm-0jog
toshokan sensou i like the song
http://www.youtube.com/watch?v=BG1IqRWu-MU...feature=related

http://www.youtube.com/watch?v=eBvpBCgiZ7M
shakugan

X-clamp is has the best opening scene for me.

lul

Revolutionary Girl Utena opening

yes! also the Record of Lodoss War OAV opening
http://www.youtube.com/watch?v=w4ahUmuEMsg

some of the older anime have great openings as well!

Armored Trooper Votoms OP
http://www.youtube.com/watch?v=Wl5xIPQ-dXI...re=channel_page

The Vision of Escaflowne OP
http://www.youtube.com/watch?v=QPT74C8f8i0...re=channel_page

Galactic Whirlwind Sasuraiger OP
http://www.youtube.com/watch?v=rDnrx9hMnTc

one of the most powerful endings IMO is the
Armored Trooper Votoms ED
http://www.youtube.com/watch?v=3WLooPTMOcw...re=channel_page

Tenjou Tenge

http://www.youtube.com/watch?v=4YUWD4BZ81Y

This is pwnage.

http://ca.youtube.com/watch?v=ZRCm2L-Gn5Q&...feature=related

Moribito: Guardian of the Spirit

http://www.youtube.com/watch?v=jpio7eGL9Mg

Serial Experiments Lain
http://www.youtube.com/watch?v=_XfJwh2cC6o

and of course Hellsing
http://www.youtube.com/watch?v=oJfeCTyTqP8

http://ca.youtube.com/watch?v=axhMbeA7Ilg

Club to death angel

http://www.youtube.com/watch?v=bO0EKXiRdyI
FMA...
speaking of FMA theres a s2 coming up in 09 it better not disappoint

GTO 2nd OP
http://www.youtube.com/watch?v=3Fy4iUhdHE0...feature=related

Code Geass: Lelouch of the Rebellion
2nd Opening
3rd Opening

Code Geass: Lelouch of the Rebellion R2
2nd Opening

Gundam 00
1st Opening
2nd Opening

Gundam 00: Second Season
1st Opening

Mugen no Rivyus

Death by "Healing"
Why a m on the edge of internal bleeding and thinning of organ membrain?

naruto just came out with a kick @ss intro. dont know the song but it rocks.

long kiss goodbye by halicat is also great too.

http://www.youtube.com/watch?v=Ew7TkpmWyoc...&playnext=1

Naruto Openings are the best handsdown

It's okay, but I certainly wouldn't consider it "the best handsdown".

Ouran High School Host Club

http://www.youtube.com/watch?v=PG5Libg_xPo

Okane Ga Nai

http://www.youtube.com/watch?v=yvNa-tpWKoY

CardCaptor

http://www.youtube.com/watch?v=OFhtqtN7lp0

Ginga Densetsu Weed
http://www.youtube.com/watch?v=q_98FkVhEoU

A very cool fan made video. If you like Night Wish, you'll love this.
http://www.youtube.com/watch?v=QNjjBT0_VZk