The parings I like:

KoujixIzumi (Digimon Frontier),

MimixYamato (Digimon Adventure),

EriolxTomoyo (Cardcaptor Sakura),

CagallixAthrun (Gundam Seed/Destiny),

KenshinxKaoru (Rurouni Kenshin),

MikanxNatsume (Gakuen Alice),

MiyuxKanata (Daa! Daa! Daa!),

KanamexSousuke (Full Metal Panic/Fumoffu),

EdwardxWinri (Full Metal Alchemist),

RanmaxAkane (Ranma 1/2),

MiakaxTamahome (Fushigi Yuugi),

AnzuxAtem/Yami Yugi (Yu-gi-Oh!),

AsukaxZane (Yu-gi-Oh GX),

RyomaxSakuno (Tennis no ohjisama),

ShunxRuriko (Gatekeepers),

YukixTohru (Fruits Basket),

VanxHitomi (Escaflowne),

RanxShinichi (Detective Conan/Case Closed),

InuyashaxKagomexSesshomaru (Inuyasha),

MidorixSeiji (Midori no Hibi),

DitaxHibiki (Vandread),

KajixAyu (Ultra Maniac),

HaoxAnnaxYoh (Shaman King),

OrphenxCleo (Sorcerer Stabber Orphen),

AhiruxFakir (Princess Tutu),

BeetxPaula (Beet the Vandel Buster),

ZukoxKatara (Avatar: The Legend of Aang),

HermionexDraco (Harry Potter),

DaisukexRikuxDark (D.N.Angel),

MoritaxYamadaxMayama (Honey and Clover),

HeeroxRelena (Gundam Wing/Endless Waltz),

KeixMizuho (Onegai Sensei),

RanmaxAkane (Ranma 1/2),

LimexOtaru (Saber Marionette J),

BitxLeena (Zoids)

KosukexAi (Law of Ueki)

GorouxShimizu (Major)

NegixAsuna (Negima)

TifaxCloud (Final Fantasy VII: Advent Children)

There are no pairing that I hate...