Hoststacker includes fine styles for a lot of extensions, like K2 Content, Youdeveloper News Slider, YJ Module Engine, YJ Latest Tweet and YJ Plans Extended. You!Joomla build it on their YjSimpleGrid Framework, which comes with YJSG Template Manager, YJ Mega Menu and 5 pre-defined styles. Hoststacker is ready for Joomla 2.5, Joomla 3.0 and Joomla 3.1. It works also in the former version, Joomla 1.7. The download is commercial. You can use it best for hosting websites.

ZenHost, by Joomlabamboo, is especially suitable for hosting and business websites. You can use it in Joomla 2.5 as well as Joomla 3.0. Its layout is powered by Joomlabamboo's Zen Grid Framework and Zentools Joomla Extension with fantastic image sliders and image galleries. You can also choose of multiple columns, 60+ module positions and 9 preset styles. The flexible layout control and the integrated less compiler are fine features of this theme. Joomlabamboo deliver this template with a quickstart package and a template support.