Americans for Fair Taxation : National coordinating organization for FairTax support

http://www.fairtax.org

FairTaxNation : Largest FairTax advocacy website (next to fairtax.org maybe)

http://fairtaxnation.ning.com

FairTax Discussion Groups and Blogs: National discussion forums about the FairTax

http://www.fairtaxgroups.com

http://www.fairtaxblog.com

Yahoo FairTax Groups:

http://groups.yahoo.com/search?query=fairtax&submit=Search