Issue 13 of the Free Software Magazine is out for those that read it.
If you have never heard of it you should check it out. FSM is a free online magazine dedicated to free and open source software.

http://www.freesoftwaremagazine.com/issues/issue_013

You can acquire all of the available issues in your choice of either a PDF or html from:
http://www.freesoftwaremagazine.com/issues

You will need to register if you want the whole issue in one high-resolution PDF.