Revolution...err Futurna Speculation: Nintendo Has A Special Screen?

We usually make sure to flag Nintendo rumors AS rumors and give them the credibility of fanboy ravings on message boards. However, The Futurna may not just be insane ravings. It sounds far-fetched, but that Miyamoto interview we linked earlier has one interesting tidbit that makes me think this may be some good dirt, not mere idle speculation. Specifically...

In the future, what do you think video games will be like?
It's convenient to make games that are played on TVs. But I always wanted to have a custom-sized screen that wasn't the typical four-cornered cathode-ray-tube TV. I've always thought that games would eventually break free of the confines of a TV screen to fill an entire room. But I would rather not say anything more about that.

Now, a nifty portable screen is definitely not a "typical four-cornered cthode-ray-tube TV." In my youth we knew of a song about things that make you go "Hmmm..."