Codium Extend is a fantastic free minimalist WordPress theme from Code 2 Reduction.
It has full support for WordPress 3.0+ custom menus and backgrounds and a nice drop down navigation menu. It also has support for the Wp-Pagenavi pagination plugin.
Codium Extend is a great option for anyone who is looking for something simple but professional, and those who want to place more emphasis on content.
More information can be found at the links below 
Good luck,
Kevin
Codium Extend: Info | Download | Demo
