I would like to enter but given I am no worthier than anyone else, I struggle with why I "should" win...but I can tell you why I would like to win.
While I have discovered the joys of using an ebook reader, I miss the fun in sharing books with co-workers and friends. I bought a Kindle for my mother so we could share, but I miss sharing with so many others.
If I won I would pick another Kindle that I could add to my account for friends and co-workers to borrow. Not only would this allow me once again share books with others I am close to but pass along the ebook reader experience as well (and perhaps get others to buy as well).
So if sharing books and the ebook Reader experience is a good reason, perhaps I "should"

win.