From what I've read it whould be just there in the app store on iad launch day for $9.99US per App. Each of the 3 apps are being sold seperately for the ipad.
i doubt it. Seeing as though iPhone OS doesn't really have a file system, i bet you will have a "stack" feature like the iPhone. When you take a picture on an iphone, it saves it in the pictures database, which then can be accessed by any other app. There is probably going to be something similar to that, except for documents.
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