Here's a dump of links on the subject that should keep you busy for a while. :-)

http://www.ezfarmsandfish.com

http://aquaponicscommunity.com/

http://www.workingwaterfront.com/articles/Herring-Gut-studen...

http://www.herringgut.org/newsletters/2009_3.pdf

http://www.growingpower.org/

http://www.sweetwater-organic.com/

http://www.plantchicago.com/?tag=aquaponics

https://www.aquaponics.com/about/press.php?q=4&full=yes

http://santacruzaquaponics.com/Site_3/welcome.html

http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2010/03/21/...