Templaza's Lania is powered by Joomlart's famous T3 Framework, comes thereby with a full responsive layout, ready for any device. TZ Portfolio is integrated. So you can use this template best for portfolio websites. Beside this, Lania is ready for Joomla's 3rd partie extension, Kunena. Social websites can be readily implemented with that. You can use it best with Joomla 2.5 and Joomla 3.0. The download is commercial.
A template, especially for all portfolio website developers, this is Dreame, by Templaza. Its responsive layout leaves nothing to be desired. Dreame is powered by Plazart Framework and TZ Portfolio. Images and texts can be easy integrated. The Mega Menu makes the user navigation easy. Dreame is native to Joomla 3.0. Modern web technologies, like HTML5 and CSS3, allow the fast load of this template. The download is commercial.