In the context of the original post, I see more in what the Que was doing than just it's screen technology. That's the part they aught to bring out as an iPad app.
I don't see much of a case for dual large screen devices like the Kno or the Irex...but I can see an app that takes advantage of dual ipads. That way you have the single iPad for 99.9% of folks, and just use a second iPad for the very few who need more. There are already games that make use of an iPad and multiple iPhone's.
My bible app from Olive Tree already let's me have two books open and I can choose how much of the screen goes to each book. It also has linked books such that wherever I am in the bible, the appropriate section of a commentary is displayed. I could see something similar for text books and bibliographies. It's just a matter of time before such apps appear.
Lee
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