This box by Light Blue Optics contains a PC, and can project an image on any surface, like a paper, and you can use multi-touch to manipulate images, photo's, videos etc. SO you have a flexible sheet of paper and a crisp image that responds to touch :-).
A similar laser based product is made by Microvision, the Show WX. Made me remind similar innovative projects like MITs 6th sense.
Another nice development is this combination of computer screen and a e-reader type of screen, to combine advantages of both, depending on how you use the device. This is the Adam from Notion Ink (with screen technology by Pixel Qi, an OLPC spin-off):