You've already been there... Joomla! is a great content management system. In fact it's considered one of the best in the world. But the default article system in Joomla! is so spartan! Just a title, your content body and that's it. This is where K2 comes in.
K2 was built as a complete
... [More] replacement of the default article system in Joomla!. Install it like any Joomla! extension, import your articles from the default Joomla! article system and you're ready to take your Joomla! site to a whole new level of content presentation!
More at getk2.org! [Less]