xxxHolic Kei OP - Suga Shikao 「Nobody Knows」http://www.youtube.com/watch?v=VVkOcvokfBY
Honey and Clover II ED - Suneohair 「Split」http://www.youtube.com/watch?v=8fyxo3dpf_Y

Linked to the PVs for the songs.

Same artist different anime: boogiepop phantom-yuudachi
http://www.youtube.com/watch?v=dsss-asr7XY

http://www.youtube.com/watch?v=IMQF-q2kuzE [Blue Exorcist opening 2]
http://www.youtube.com/watch?v=lbGs1k7RZQs [Spiral Suiri no Kizuna opening.. I don't like watching.. but I LOVE bubbly anime music]
[Nearly all the openings and closings to Inuyasha.. I don't remember the names of them all]
http://www.youtube.com/watch?v=roPLG4UGPQw [Mitsudomoe Opening 1]
http://www.youtube.com/watch?v=G_9xslTV5mA&feature=related [Mitsudomoe Opening 2]
http://www.youtube.com/watch?v=-fmny7Digj0 [Crappy quality and slight nudity, but it was like the only real opening to this anime I could find..Knights of Ramune]
http://www.youtube.com/watch?v=9-vFLcugtqQ [Kyouran Kazoku Nikki opening]
http://www.youtube.com/watch?v=CGgWZpvBRs4 [Tenjhou Tenge opening]
http://www.youtube.com/watch?v=R0N3L-pcGdc [Outlaw Star opening]
http://www.youtube.com/watch?v=kgvUjs-nSOQ [High school of the Dead opening]

Sorry if I went overboard. =3=; I'm hellishly indecisive.

bakemonogatari ending- renai circulation

I love Kana Hanazawa's voice, sorry I didn't post a link. I am on my itouch.

and the ending for Clannad's first season

yes both super lame choices lol.

and I agree with the highschool of the dead op as well