RockinSuckerfish is a modern web 2.0 looking theme with suckerfish dropdowns instead of sidebars.
Straightlaced is a 2 column theme for WordPress 2.1. Straightlaced uses no-nonsense, simplistic lines to produce a theme that is suitable for the businessperson, student, or anyone else who wants a masculine, businesslike blog.
iFoney is a 2 column theme for WordPress 2.1. Based on the new iPhone by Apple, iFoney uses dark colours and rounded portions to make it look like an iPhone.
Pseudo Shui is a two column, pixelated, minimalist looking theme using the colours red, black and white to give a high contrast.
Unlimited is a 2-column fixed with wordpress theme, with Custom Header Image.