I keep seeing the Fair Tax and Flat Tax proposals in the news and get confused which is what. Here is a scorecard:
http://pafairtax.org/resrcs/FlatTaxFairTaxComparison.pdf
Fair Tax wins my favor, for the many reasons listed in the pdf. The Fairtax is the more radical change because it requires repeal of the 16th Amendment to the U.S. Constitution.