Beautiful wedding website theme
Price:
Vow Child Theme: $80
Builder Developer Pack: $197 (access to ALL Builder child themes)

The Vow Wedding theme is an user friendly theme that lets you add your special information such as the ceremony and reception location, where you are registered, you can post your engagement and wedding photos for families to see, and a blog is included to talk about your wedding plans, update family about your honeymoon, etc.  The WordPress theme has a bright, clean lined design with a classic wedding style.
Preview | Download

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A eCommerce building theme
Price: $80
Market supports Shopp, WP-eCommerce, and Cart66, Market is ready for the e-commerce plugin that fits you and your business best.
Preview | Download

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A photography theme with multiple image display options
Price: $80
Kepler offers a beautiful way to showcase brilliant and eye-catching visual tantalizing photos for your guest visitors. There is availability to create blog postings, showcase your images in a grid format, create your own forms through gravity form styling and change your theme to a lighter colored version.
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Perfect storefront eCommerce option for WordPress
Operates on iThemes Builder’s layout engine and paired & optimized to use some of the best eCommerce plugins (Shopp, Cart66 and WP-Ecommerce).
Price: $80
Preview | Download

A “dark” travel site

Dockside is a rustic and dark dock feeling type of design.

Price:

Dockside Theme: Free with iThemes Builder
iThemes Builder: $97 (comes with 40+ free child themes)

Demo Page | Download Theme

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