How can I submit a question for consideration in the Wikipedia Usability Initiative? There's been debate at the English Wikipedia over whether it would be better to place the search box at the very top of the navigation bar, or leave it below the navigation box. It would be great if we could get feedback from mainstream web users about the usability and intuitiveness of the positioning.
The latest discussion about this was at http://en.wikipedia.org/wiki/MediaWiki_talk:Sidebar#Moving_search_box_above_... you're interested.