Buffy/Angel
Buffy/Aragorn
Buffy/Legolas
Buffy/Sirius
Harry/Hermione
Hermione/Draco

Pairing I hate:

Buffy/Spike
Buffy/Riley
Buffy/Snape
Angel/Anyone.

A/N Angel/Cordelia is the worst thing that ever happend on tv. She'is like a mini buffy in season 3/4. It sucks. Cordelia/Doyle is good.