I concur, also I wonder what the battery life would be. The clambook looks too thin to be holding a battery, does that mean it will rely on the smartphone's own power supply? A smart phone might last longer than a laptop but that's only because it doesn't have a big 13" screen... until now.
"With MHL® technology, your smartphone charges while it’s connected to ClamBook. Enjoy full length movies, edit documents, and browse the web without worrying about draining your battery."