Business themes that works on the Genesis Framework (Studiopress)
Price:
Cre8tive Burst Child theme Package : $24.95
Cre8tive Burst Theme + Genesis Theme Package: $79.95
StudioPress – Pro Plus All-Theme Package $299.95

Cre8tive Burst theme is flexible to be used for business websites or pro-bloggers.  This theme comes with amazing color combination color options that leave you with a welcoming feeling.  Features include:  4 color styles, 3 layout options, custom background, custom header, featured images, theme options panel, and threaded comments!

See more Premium WordPress Themes 2012 or Business WP Themes

A responsive blogging design

Price:
eleven40 Child theme Package : $24.95
eleven40 Theme + Genesis Theme Package: $79.95
StudioPress – Pro Plus All-Theme Package $299.95

eleven40 theme  has six content layouts, 4 theme colors (blue, green, orange, red), custom background, featured images, footer widgets, mobile responsive design and threaded comments.
Preview | Download

See more traditional Blogging WordPress Themes  or check out more Responsive Blogging WP Themes

Features: 3 color styles, 6 layout options, custom background, custom header, featured images, fixed width, theme options and threaded comments.
Price:
Child Theme $24.95
Genesis Framework + Child Theme: $79.95
Preview | Download

The first responsive theme from StudioPress
The WP Generate theme includes the following features: 6 layout options, 4 theme colors (blue, green, orange, red), custom background, featured images, footer widgets, mobile responsive and threaded comments.
Price: $79.85
Preview | Download

Link: Generate WP Theme

A responsive design with modern capabilities

Driskill is a theme with timeless design and modern capabilities.  The theme has a responsive design and will resize automatically even with smartphone devices.

Prices:

$24.95

Demo | Download

Link: Driskill WordPress Theme

Looking for more?  See some of the best, Premium WordPress Themes in 2011