The Kindle app was updated today. Here’s what they say is new in version 2.3:
Books display in two columns when reading in landscape orientation on iPad
Book Extras including character lists, plot sumaires and series information are available for many popular books. Book Extras are powered by the Shelfari.com community and can be accessed from the Go To menu while reading
Bug fixes that improve stability
… and its still not worth anything if it doesn’t support sideloading. I am comfortable with the Amazon store, but I want to be able to load my existing books, especial those from Baen. Unfortunately the iPad app only supports purchases from Amazon.