Ozh' Admin Drop Down Menu + WordPress Toolbar + Standard Admin Menu Fixed to the Top of the Admin Screens. Less Scrolling!
V3.2 Only * All three bars fit in darn near the same space as the standard bars do alone. Enjoy more screen real estate and less scrolling!
Consolidates the Admin Header's User Menu with the Site Title on the left; where all of the other menus are.
WordPress Admin Bar is optional. Automatically adjusts to the display setting of the Admin Bar in the backend.
Toggle: Your Profile > Show Admin Bar > in dashboard checkbox. Menus reformat to accommodate the chosen setting.
Check that the Show Admin Bar toggle in Your Profile works and the drop-downs extend and you're good to go.