The following selections are WordPress Themes that emphasize the elements of good design: grid-based layout and balanced typography. I have assembled these for selfish reasons: I want to be able to access these great designs and designers whenever I have a new project.
One of my favorite WP theme designers are the WP Shower design group.
This blog, FreshAsylum uses Imbalance 2 as shown below.
Sight by WP Shower.
I use Sight for my site Parallelmindzz.com. Click above for live demo.
Four Minimalist Swiss Design Themes (Smashing Magazine)
Paragams by WP Shower
Imbalance 2 by WP Shower
Offered by Smashing Magazine –>
Oulipo is available from WordPress.com (appearance > themes)
This design firm specializes in grid-based portfolio design: http://www.w-portfolio.com/
55th Street by Tammy Hart
Modern Clix by Rodrigo Galindez
One of my favorite themes is Chateau.
I use it for my blog, Parallel Mind, The Art of Creativity.