Sulky Rhino has put together the best reclist of H/D fanfic. It's sorted 由 author, 由 title, 由 length, 由 era, relationship, healing, creatures, jobs, and misc. There's something for everyone here!
It's quite long, but TOTAL 斯莱什 Harry/Draco, Colin/Seamus, Percy/JustinFF, Remus/Severus... I don't think it's finished yet but it's worth a read if 你 like Harry and Draco =]