As I see that Kindle binaries can be found quite often on the Internet, there's no harm to post these two. The two archives contain /etc and /test from my "maybe privileged" K3. Don't waste time to crack the root password from the shadow file, it has been changed, the original one was the same one as everybody else's.
http://rapidshare.com/files/418785608/test.tgz.html
http://rapidshare.com/files/418785632/etc.tgz.html
I hope this helps.