the Official Breaking Dawn movie website is announcing planning on BD DVD release parties, but no information on locations...

Also they have a DVD coupon offer for (US residents) 

Step 1

Take a picture of your The Twilight Saga: Breaking Dawn – Part 1 movie ticket stub with your mobile phone.
To ensure proper validation, please click here for tips on taking a picture of your movie ticket stub.

Step 2

Text or email the image to bd@drvsusa.com. Standard text message rates apply.

Step 3

Once your submission has been validated, you will receive a text message or email with a code and a website address. Standard text message rates apply.

Step 4

Using your browser, go to the website address contained in your text message or email, enter the code you received, choose Blu-ray® or DVD, and fill out the required information.

Step 5

Your certificate for $5.00 off of The Twilight Saga: Breaking Dawn – Part 1 Blu-ray® or $3.00 off the DVD will be mailed to your address.

Limited to one valid movie ticket submission. Maximum three tries to submit image. Codes Expire 4/30/12 at 11:59:59 PM PST. Valid in the US only. Not valid in Puerto Rico. Reward certificates expire 5/31/12 at 11:59:59 PM PST. While supplies last.