Project Vote Smart (http://www.vote-smart.org/)
Choose "Campaign Finances." Biographical information, campaign finances, interest group ratings, and voting records. The information for Congress and the President is provided by the Center for Responsive Politics and the National Library on Money and Politics
ACE Project (http://www.aceproject.org/)
(Administration and Cost of Elections) provides detailed instructions on what is involved in running an election.
Annenberg Political Fact Check (http://www.factcheck.org/)
Nonpartisan, nonprofit, "consumer advocate" group that monitors the factual accuracy of what is said by major U.S. political players in the form of TV ads, debates, speeches, interviews, and news releases