like everything hangs all the time "this app is not responding" popups dated
there's an exploit that makes rooting it possible and it's tempting, apparently it still has a bunch of default Android apps and you can uninstall them to improve performance
anyways it's kinda sad Sony stopped making ebook readers because this one has a bunch of really smart features, like automatically going down the columns in multi-column PDFs (probably amazing for reading papers) and freehand notes with an included stylus