Open Source Special Issue of Queue

The ACM's Queue is generally quite an interesting online journal to follow, particularly for discussions of trends. The current issue (v3i2) focuses on open source software with the following articles as highlights:

• Open Source to the Core by Jordan Hubbard
  
• There's No Such Thing as a Free (Software) Lunch by Jay Michaelson
  
• Desktop Linux: Where Art Thou? by Bart Decrem