3Grey is a 2-column, stylish theme with third column for advertising.
Amber is a 4-column, fluid-width theme with light colors.
B3 is a single-column, no-frills rebuild of the minimalistic Bare theme.
Blue Paradise is a 3-column theme that provides support for WP-Ratings and Subscribe To Comments. Also check out HateMate by the same author.
Crzy Blu is a 3-column, lightweight theme with support for Gravatar and MyBlogLog.
Gluttony is a 2-column, grey theme in SmallPotato’s Seven Deadly Sins series.
LinearEX is a 2-column theme that provides some visual tweaks from the author’s Linear theme.
Marc is a 3-column, widget-ready theme with customizable header image.