Check out www.mandevillebroadcasting.com
. I used Joomla to get it going in under an hour.
Basically, you unpack Joomla to your site's root directory and it gives you a quick starting point. You can download themes and stuff for it or re-write the CSS on your own. I don't know how I would have set up the site without Joomla, it really seemed to simplify things. And if it doesn't work for you, you can always delete it.