Try
http://www.rotorandwing.com, it takes you to
http://www.aviationtoday.com/reports/rotorwing/
Scroll to the bottom, click on "Subscribe to the print version" (of course, you could just view the articles there online, but I don't think graphics are included, and you probably can't look through all the ads at the end
Click new subscription on the page that comes up and it will present you with a form to fill out.