A website serving up a browsable map of Hong Kong, similar to Google Maps, shows a beautiful isometric view with buildings, foliage, and labeled streets. It only has 4 levels of detail but it really sets a new standard for what web-maps should be.
Randall Hand
Randall Hand is a computer graphics programmer and news junky that's been working in the field for the last 15 years. He's responsible for visualizations generated on some of the most powerful supercomputers in the world, ytnef, mullion support in ParaView, and VizWorld.com.
It seems to go from LOD 0-3. LOD 4 would be really cool.