If you're using the Joomla! Content Management System, you have several template choices when creating a new website or facing a website redesign. The Joomla CMS ships with 3 default templates, but most business websites won't find these very useful unless you want to look like hundreds of thousands of other sites already on the web.
With the Joomla! CMS nearing 15 Million downloads in the past 4 years, that's a lot of similar looking sites for those that still use the default template.
So you want your site to look different? You basically have 2 choices.