One of the most important things about writing fanfiction is getting the dialogue just right. It's not only about characterization and getting the characters' voices down on paper, but also phrasing it correctly without using dialogue tags. Sometimes, the way words are spoken say so much more than they seem to and it's difficult to convey that through written words.
The Committee decided the Awards would be a great opportunity place this kind of excellent writing in the spotlight.
Best Dialogue
Nominations in this category can be works of any length, genre or rating. The work is being judged on the quality of the dialogue, not necessarily on the work as a whole.