Luckily, Freedoms Phoenix has linked three exhaustive lists in the last month of how to secure your communications from repressive regimes:

http://www.freedomsphoenix.com/News/053872-2009-07-22-defensive-technology-to-protect-free-speech-from-authoritarian-regimes.htm

http://www.freedomsphoenix.com/News/053048-2009-07-07-how-to-communicate-securely-in-repressive-environments.htm

http://www.freedomsphoenix.com/News/054100-2009-07-25-network-forensics-evasion-how-to-exit-the-matrix.htm 

 I read an article put out by one of the corporate-owned and operated sources that the government is tracting the IP of anyone that contacts or is contacted by a government office.  So, heed the warning, don't do it or they'll bug your computer till they can pin something on you and haul you in!