it came out yesterday
Avatar will be releeased on DVD and Blu-Ray on April 22, 2010
It will be released on DVD probably early next year.
avatar DVD sets are sold on amazon.com
It is already out on DVD
Yes, it will be released early next year.
According to James Cameron the Official Avatar DVD Release date is set for April 22, 2010 - Which is also Earth Day
Avatar with the blue people is out on DVD in May 2010. The sci-fi epic will be released on Blu-ray and regular DVD on April 22 but not in 3D.
You Don't
Never.
It's already out on DVD and Blu-Ray
The complete "Avatar: The Last Airbender: Book Three" came out on DVD September 16, 2008.
At the moment it is looking like a June release for the Avatar DVD here in the UK, but it's still unconfirmed.