Opening Theme: #01: "Mune ga Dokidoki" by the High-Lows (eps 1-30)
#02: "Feel Your Heart" by Velvet Garden (eps 31-52)
#03: "Nazo" by Miho Komatsu (eps 53-96)
#04: "Unmei no Roulette o Mawashite" by ZARD (eps 97-123)
#05: "Truth" by Two-Mix (eps 124-142)
#06: "Girigiri Chop" by B'z (eps 143-167)
#07: "Mysterious Eyes" by Garnet Crow (eps 168-204)
#08: "Koi wa thrill, shock, suspense" by Rina Aiuchi (eps 205-230)
#09: "Destiny" by Miki Matsuhashi (Eps 231-258)
#10: "Winter Bells" by Mai Kuraki (eps 259-270)
#11: "I can't stop my love for you" by Rina Aiuchi (eps 271-305)
#12: "Kaze no Lalala" by Mai Kuraki (eps 306-332)
#13: "Kimi to Yakusoku Shita Yasashii Ano Basho Made" by Yuuka Saegusa in db (eps 333-355)
#14: "Start" by Rina Aiuchi (eps 356-393)
#15: "Hoshi no Kagayakiyo" by ZARD (eps 394-414)
#16: "Growing of My heart" by Mai Kuraki (eps 415-424)
#17: "Shoudou" by B'z (eps 425-437)
#18: "100 Mono Tobira " by Rina Aiuchi & Yuuka Saegusa in db [eps. 438-]
#19: "Kumo ni Notte" by Yuuka Saegusa in db (eps 457-)
Ending Theme: #01: "Step by Step" by Ziggy (eps 1-26)
#02: "Meikyuu no Lovers" by heath (eps 27-51)
#03: "Hikari to Kage no Roman" by Keiko Utoko (eps 52-70)
#04: "kimi ga inai natsu" by DEEN
#05: "negai goto hitotsu dake" by Miho Komatsu
#06: "koori no ue ni tatsu you ni" by Miho Komatsu
#07: "Still For Your Love" by Rumania Montevideo
#08: "Free Magic" by WAG
#09: "Secret of my heart" by Mai Kuraki
#10: "natsu no maboroshi" by Garnet Crow
#11: "Start in my life" by Mai Kuraki
#12: "always" by Mai Kuraki
#13: "Aoi Aoi Kono Chikyuu ni (‚¢Â‚¢‚±‚Ì’n‹…‚É)" by Azumi Uehara (eps 248-265)
#14: "Yumemita Ato de" by Garnet Crow (eps 266-287)
#15: "Mushoku" by Azumi Uehara (eps 288-299)
#16: "Overture" by Koshi Inaba (eps 300-306)
#17: "Ashita wo Yumemite" by ZARD (eps 307-328)
#18: "Kimi to iu Hikari" by Garnet Crow (eps 329-349)
#19: "Nemuru Kimi no Yokogao ni Hohoemi wo (–°‚éŒN‚̉¡Šç‚É”÷΂݂ð)" by Saegusa U-ka IN db (eps 350-376)
#20: "Wasurezaki (–Y‚êç‚«)" by GARNET CROW (eps 377-397)
#21: "ƒWƒ…[ƒ“ƒuƒ‰ƒCƒh ~‚ ‚È‚½‚µ‚©Œ©‚¦‚È‚¢~ (June Bride ~Only You I Can See~)" by Yuuka Saegusa in db [eps 398-406]
#22: "¢ŠEŽ~‚ß‚Ä (Stopping the World)" by Shiori Takei [eps 407-416]
#23: "Thank You For Everything" by Iwata Sayuri (eps 417-424)
#24: "Kanashii hodo Kihou ga suki" by Zard (eps 425-437)
#25: "Mou Kimi dake wo Hanashitari Shinai" by Aya Kamiki (eps 438-458)
#26: "Shiroi Yuki" by Mai Kuraki (eps 459-)
List from:
www.animenewsnetwork.com/encyclopedia/anime.php?id=454I'll keep this thread open just in case someone can answer this question better then me.