I'm with Uncle Dave and other pro-book people.   I do recognize there are good reasons to use a Kindle.

But in great part it depends on your goal in reading.   Mine is primarily learning--overwhelmingly about history--as well as biographies.   I read virtually no fiction--the last one I read was the first Harry Potter, since I was just about to see the movie with part of my extended family, and I wanted to know how faithful the movie was to the book.   (In fact, the movie did an excellent job).

When I buy a book, I will always potentially use it as a resource--for ever.   I write in the margins, take notes in front of the book, etc.   I intend to remember as much as possible.   

Matter of taste, of course, but I find history absolutely endlessly fascinating--and wonderfully entertaining. I'm not even tempted to read fiction--though there is list of Dickens, Russian writers, Hemingway etc, I intend to read--"someday".

I also have enough gadgets in my life, and don't really need this one (a Kindle).   Nor can I justify the price.

And I already have a whole huge pile of books I haven't yet read--since when I hear about another book on a corner of history I don't know much about, I have no willpower to stop myself from searching it out and buying it--for a good price.