Three universities (Princeton, Arizona State University, and Northwest Missouri State) pilot two e-readers (Kindle DX, Sony Reader), to see how well students could use them for studying. The results were at best mixed, and at worst negative. There were problems with annotation, ’skimming’ and rapid search, and integration with other devices used for studying such as laptops, netbooks and mobile phones. The main advantages are the E Ink screen and long battery life.
http://campustechnology.com/Articles/2010/05/01/The-Device-Versus-the-Book.aspx?Page=1