Sony's Digital Paper DPT-CP1 tablet is a light, easy way to carry and mark up PDF documents—but that's all it can do. PCMag PCMag.com and PC Magazine are among the federally registered ...

The Sony Digital Paper has an official case and the model number is DPTA-RC1. Sony sells this case as a bundle with the DPT-RP1, but can also be purchased as an independant accessory for $59.99.

Sony's Digital Paper feels like writing on paper ... And that really is it. A tablet may be more versatile, but using an e-ink display like this looks and feels much more like using paper.