The c7accordion module , Cybercrat Systems extension for the Joomla community uses the Jquery user Interface styling option.
The module embeds existing installed modules and display as an accordion.
Check out for the available features and options in the downloads section. Installation document available for download.
Please refer here for description of the module features : c7accordion details
The c7accordion module for Joomla 1.6 is now available in the downloads section.