Tabula Rosa by Leo Newball is a black and white, minimal, 2 column theme, with a fixed menu and header.
The theme includes several, jQuery powered features such as a sliding vertical sub-menu’s and lightbox galleries. The theme also features: Vertical Hover Dropdown menu, menu sub items slide down when mouse hovers over them; Widgets slide open and close when clicked on; WordPress 3.1 post-formatting for all 9 supported types; breadcrumb navigation; Integrated Search Bar; SEO Formatted page titles; Customizable Menu & Widgetized Sidebar; and Lightbox Galleries.
Theme homepage: http://leonewball.com/portfolio/tabula-rosa/
Download and info: http://wordpress.org/extend/themes/tabula-rosa
