There is nothing like two back-to-back cross country flights to make you think about what should be the next best immersive environment for personal entertainment. Especially when you are crammed into a middle seat between the Constant Squirming Woman and XL Man.

So in the interests of science and research, and in the anticipated hours of ensuing boredom, I took with me various tools to test out last week: a video iPod with a couple of Lost and Desperate Housewives episodes, an iAudio mp3 player with several dozen songs (just for variety’s sake), a Palm with the Sudoku program and a couple of books. What I found out is interesting and timely.

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