What are some alternatives?
99designs - The #1 marketplace for graphic design, including logo design, web design and other design contests. Start a contest now with 100% Money-Back Guarantee!
Theme Forest - The #1 marketplace for premium website templates, including themes for WordPress, Magento, Drupal, Joomla, and more. Create a website, fast.
Adobe Muse - What's New | Adobe Muse CC
WooThemes - WordPress Themes, Plugins & eCommerce. The ultimate WordPress toolkit.
Zurb - ZURB helps companies design better websites, services and products through services that include design strategy and interaction design.
StudioPress - StudioPress offers superb WordPress themes with well designed site architecture to ensure search engine visibility along with unprecedented framework control.