The Ipad app is now available on the itunes store. Even though the USA article says it is available for the Ipad, iphone, and ipod touch, a search of the itunes store only shows the version for the ipad (at least currently). The app is currently being sold for $12.99
"And in a novel twist, embedded videos are digitally time-coded or locked so that you can't watch them until that particular episode airs. This edition includes an array of extras as elaborate as any on a director's cut DVD."