Keep Calm And Drink Tea is a grunge type theme with a retro based feel.
Minimo is a next generation WordPress 3.1 theme that comes jam-packed with all the awesome new wp features. Plus, it has a clean and minimal design perfect for all sorts of blogs.
Pongsari is a simple and clean WP Theme, modified from TwentyTen.
Simple Blog is a theme for those that want a super clean and simple blogging solution while still keeping some premium-like features.
zeeMagazine is a clean two column theme in magazine style with great features: Costum Logo, Colorpicker, Content Slider, Shortcodes, Dropdown Navigation and more.