Joomla! Integrated Newsletter Component ver. 0.9.2 has been released for Joomla! 1.6 and 1.7.
This version reimplements the sample data loader tool in order to solve a problem related to wrong ACL loaded with sample data. See this forum thread for further details.Click on JINC Download page to try it !!! I have to thank mdm for his contribution for the detailed problem explain.