Yes, you can get the film and the soundtrack
You should buy Quantum of Solace
Yes you should in my opinion, it is a master piece
i think may or April
You can get "Avatar: The Last Airbender" episodes on iTunes.
ITunes
go to www.wjbq.com and click on a song and click buy and iTunes should open up
Yes, and in addition to that you can watch it on netflix, hulu, itunes, or buy it on the internet. They also have the movie on blue ray.
Both the film and soundtrack (regular and deluxe versions) are available on iTunes
It's available on iTunes and Netflix
You can find all the episodes of The Legend of Korra on iTunes. Each episode is pretty cheap.
You should be able to buy it. I believe that almost all movies you can rent on itunes are available to buy at a higher price.