I love openings from:
Neon Genesis Evangelion
Toradora 1st and 2nd
Tengen Toppa Gurren Lagann
Fate/stay night 1st and 2nd
most of Bleach openings
most of Full Metal Alchemist Brotherhood openings
The Melancholy of Haruhi Suzumiya
Detroit Metal City
Kimi ni Todoke
Welcome to the NHK
Lucky Star
Spice and Wolf
Shingetsutan Tsukihime
I love from endings:
Bleach ending 18
Fate stay night ending + special ending after one of main characters dies
The Melancholy of Haruhi Suzumiya