Really good article. Another way to improve your programming skills would be to teach someone else. I find this to be one of the best ways to solidify your understanding of something.
Very informative article. I always find it interesting to see what experienced Django developers are doing. I will definitely be trying out some these tool, especially Vagrant and Puppet.
Beautiful site. Congrats on the launch and getting up to speed so quickly with Django and Python. All of the resources you mentioned are excellent for anyone trying to learn Django/Python.