If you realy want to get great theme and work on it without any problems – choose KORA. This is definitely something new & fresh with many great features included. With this one you will get options like sticky header (grey top bar + menu), boxed or full width layout, many content & background patterns and so much more… Full list of available features you can find under description.
Demo: http://themeforest.net/item/kora-premium-wordpress-theme/4680953