Political Science Associations
American Political science Association (http://www.apsanet.org/)
International Political Science Association (http://www.ipsa.org/)
Polls
http://library.csun.edu/Guides/Polls
Portals
International Political Science Association's Portal (http://ipsaportal.unina.it/) - Portal claims to link to the top 300 political science websites.
Political Resources on the Net (http://www.politicalresources.net/) - Listings of political sites available on the Internet sorted by country, with links to Parties, Organizations, Governments, Media and more from all around the world.
Richard Kimber's Political Science Resources (http://www.politicsresources.net/) - The site claims to be "your gateway to most significant resources relevant to the study of politics and government".