Gallery of Mac OS X 10.5 Leopard (9A410) Screenshots
The rumor site notes that the latest build has "more bugs than ever" but focuses on visual changes and new features from the latest build. Highlights are itemized here:
Full gallery is available at ThinkSecret. An earlier MacRumors article points out the unified theme in the latest Leopard build, with a shift away from the "Brushed Metal" look in the current version of Mac OS X.