Amazon has now announced that it's pushing back the update for everyone else in order to make some "small adjustments" based on user feedback. Exactly what those adjustments are isn't clear, and Amazon isn't offering a new date for the updated update either, with it only going so far as to say that will be rolling out to "more users over the coming weeks."
Read more here:
http://www.best-ereaders.com/2010/06...ack-few-weeks/