ChaosTheory is a dark single-column theme with a minimal, techy feel.
Ghostbird is a blue, beige, and red one-column theme for WordPress.
Nelson is a fairly minimal design that should be easy enough to customize to your own liking.
TwentyTen Five is a variation of the TwentyTen Theme with many modifications.
James began using WordPress in 2004. Being new to WordPress (and blogging in general), he quickly found the WordPress Support Forums and basically never left. James currently resides in sunny Southern California, where he enjoys bringing happiness to millions of WordPress.com users.
Web: http://macmanx.com
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Chaos Theory is hardly new… it was available last year.
ChaosTheory did launch as a WordPress.com exclusive in 2007, but it wasn’t released to the general public (self-hosted WordPress) until a few days ago.
Thought it looked familiar, I had used it for a short-lived WordPress.com blog.