This is a great looking 1 column theme. No widgets or sidebar, just a straight blog - perfect for listing quick bits of news or announcements.
Demo: http://demo.themelab.com/index.php?wptheme=My+Portfolio
Screen: http://www.themelab.com/images/my-portfolio.jpg
Download: http://www.themelab.com/downloads/my-portfolio.zip
More info: http://www.themelab.com/2008/04/19/my-portfolio-free-wordpress-theme-50/
Features a theme options page to remove and order page items in the top menu. Links to designer and coder in the footer...no sponsors.