The official reply from Amazon
Greetings from Amazon.com.
Thank you for sending us your comments about subscribing to the Kindle Blog on Kindle. Unfortunately we have not yet added the Kindle blog to our list of available blogs to subscribe to.
It is very important for us to hear about your experience using Kindle and shopping in the Kindle store. Strong customer feedback like yours helps us continue to improve the service we provide, and we appreciate the time you took to write to us. I've passed your feedback along to the Kindle team.
Thank you for your interest in Amazon Kindle.
was my reaction, not part of the official reply