Kindle 2 user guide is available
Amazon just added Kindle 2 user guide to their web site. So now you can read it online while you Kindle 2 is being shipped.
Just search for “Documentation” or “Kindle 2 User’s Guide” on Kindle 2 Product Description Page. Or just scroll to the technical details section there (it is at the very end of this section right before “Warranty and Service”.
Or download PDF file with it directly from here