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Since then, a few unverified details have emerged. David Carnoy over at CNET caught this image on the Barnes & Noble website. It was posted by a company that sells screen protectors, and was quickly taken down.
Further speculation has indicated that, like the current Nook, the new version will be powered by Android. The key difference seems to be that the device may feature a 7-inch color touchscreen.
We'll have to wait till the event for the full scoop. Mashable will be on hand to get a first look.