Past and current newsletters from 2009:

 The Portal, June 2009

 The Portal, May 2009 

 The Portal, April 2009 

 The Portal, March 2009

 The Portal, February 2009

 The Portal, January 2009

Portals from 2008

The Portal, December 2008	The Portal, November 2008
The Portal, October 2008	The Portal, September 2008
The Portal, August 2008	The Portal, July 2008
The Portal, June 2008	The Portal, May 2008
The Portal, April 2008	The Portal, March 2008
The Portal, February 2008	The Portal, January 2008

Older Portals can be found here