Not sure if this is old news here but fans of the now defunct "Motorcyclist Retro" magazine can get their fix again. I picked up the first three issues of "Moto Retro" and they are amazing.
http://www.motoretroillustrated.com/app/index.cfm?event=showPage&pageId=aboutUsPubished by Mitch Boehm, the content is surely appropriate for this crowd. Mostly 70's, early 80's Japanese bikes, personalities and racing. Way better quality and less advertising than the monthlies,.. check it out