I have a Kindle and have owned 4 Sony's. I gave away 2, kept 2. My favorite? I use the Sony 700 the most because it has built in LED side lights and I like to read at night, but my favorite that doesn't included reading lights would be the Sony 650. (I'm hoping Sony comes out w/ a 750; the 650 w/ LED reading lights.) However, when I use the Kindle, I still love it, it's just not my "favorite".
I would go with my gut. Whichever appeals to you the most will be the best reader for you. You'll pick a winner no matter which you choose. However, if you plan to use your library, I'd cross the Kindle off the list. I have a decent library and whenever I have to wait, it's never too long. The library is getting better and better every week. If I wanted more library options, I would ask relatives that live in other areas to let me use their card to get books from their library online, but I have yet to do that, and my sister in Cali already had 5 library cards before I gave her my Sony 505. We have a lot of "readers" in my family.
