It's All About Me:
http://www.3pc.net/matchmaker/quiz.html
Party Compatibility Table:
1) Green Party 87%
2) Reform Party 87%
3) Democratic Party 60%
4) Natural Law Party 60%
5) Libertarian Party 47%
6) Constitution Party 47%
7) Republican Party 33%
Only 60% Democrat? Wow, guess I'm a Greenie after all.