The next converted template to Joomla 3 with DJ-Classifieds and DJ-Catalog2 is DJ-Car-Company.
It's the auto classifieds portal built with DJ-Classifieds professional Joomla 3 classifieds extension. We also used DJ-Catalog2 as a auto catalog solution with contact submitter option.
Those two powerful Joomla extensions are commercial but you will get them both with this template for FREE.
Check here how our customers apply our classified ads extension for Joomla and product catalogue on their professional sites.
DJ-Car-Company is fully responsive as well as all supported extensions. The template use our feature-rich EF3 Joomla 3 framework that you will find very helpful. Also check the typography of this template - the front page of the demo site includes many typography examples.