We've never thought the Kindle DX was ideal for serious studying, and it sounds like the students and teachers in Princeton's pilot program agree with us -- after two weeks of use in three classes, the Daily Princetonian reports many are "dissatisfied and uncomfortable" with their e-readers, with one student calling it "a poor excuse of an academic tool." Most of the criticisms center around the Kindle's poor annotation features, which make simple things like highlighting and margin notes almost impossible to use, but even a simple thing like the lack of true page numbers has caused problems, since allowi