Very nice minimal design. Features a widget-ready sidebar and footer. Use the style switcher to switch between 800px width and 1024px width (default).
Demo: http://demo.themelab.com/index.php?wptheme=Just+Lucid
Link (download / info): http://www.themelab.com/2008/04/25/just-lucid-free-wordpress-theme-54/
Links to designer and coder in footer...no sponsors.