Free Joomla 2.5 Templates
Joomla is a lot better then wordpress in my opinion. Ok wp has a lot of plugins, joomla is also great in this field.
Jumla is especially popular in Germany, but also US users like the content management system.
However getting free joomla templates for the latest version (Joomla 2.5) isn't that easy. One of the best places to get these templates are these guys:
and a few more.