Works with Virtuemart and all extensions that support the Joomla! core registration system.
LATEST UPDATE: v5.9: Updated for Joomla! 3.0
Please Note: This extension fully complies with the Aweber TOS (Terms Of Service), and is also compatible with JVListPro, Prosender.com and other systems backed by Aweber.
Awarded the Chicago Joomla User Group "Extension of the Month", March 2009.
Don't waste your time with any other similar plagins or methods. I tried several and none works. This is the only solution that works. Easy to install, and it works well. What else can I say?
I almost paid $300 someone to make it for me. Here it is! Enjoy, it is excellent!