Im afraid not unless things have changed since November. I know a lot of people book through the fairy tale website that Disney gives you (and edits for you-- which reminds me I need to add this to the things I wish DFTW would change).
For discounts, in my opinion, your best bet is to book through AAA ( DH and I did this as well) and then watch for codes to come out. We saved a lot of money this way.... GL Gina!!