I dislike this for one main reason: Scrolling. HN as it stands now is nice and compact, easy to scan through stories without the need to scroll a page. This breaks that, which creates an obstacle that isn't necessary.<p>Also, when you select another page, like "new", then the active color of the navigation makes that link invisible.<p>Overall it just feels like adding white space for the sake of adding white space to try to achieve something that feels modern, but in reality inhibits useability.