ThemeForest - Complexity v2.2.3 - Premium WordPress Theme | 23,3 MB
This theme has been around Theme Forest awhile now, rocking all of the Top-Seller lists, and it's only grown and become bigger and bigger with every update. Complexity is a simple business and portfolio theme that is easy to customize and will get you or your client's website up and running in no time. It's everything it's name isn't, which is simple. Make sure to checkout the Theme Overview video to get the skinny on how the theme works outside of what you may have seen in the live demo.
DEMO:
http://themeforest.net/item/complexity-premium-wordpress-theme/111713?ref=knowwhatiwant