Registration on the AGPI website is FREE. Once you have registered, you will be able to post messages to the forums and comment on the news articles.
However, considering joining the AGPI. Joining the AGPI provides the following benefits:
Platinum Memberships are for 1 year; and they include four AGPI Quarterly issues mailed to you via first class mail. In addition, you'll have online access to six issues of the On The Table newsletter.   Other benefits include full access to our online archive of past publications; and the opportunity to attend our annual convention and regional meetings with full member voting rights.