Right now you can pre-purchase your Twilight Breaking Dawn ticket AND get 70% off the Twilight Saga: Eclipse Blue Ray + DVD Combo pack.
Here is how the deal works. First pre-purchase your ticket for Twilight Breaking Dawn from the Fandango link above ( You will definately want to get your ticket for opening night so you know you have a seat!) Then once you have purchased your tickets, you will receive an e-mail from Fandango within 24 hours with your discount code. You can then purchase the Twilight Saga: Eclipse online through Fandango. Offer ends December 16th.