Yeah for menubar (so I am picky) but it works sofar, no massive testing yet but did some hide/show and quit. I like the preferences menu.
Now for the picky part. All the menus seem to have an extra line between the menutitle and the menu itself. So for instance when I pull down the File menu I see:
Also (and this is picky) there is an Exit option still under the file menu as well an about option under the Help menu.