This city is great for economic, adventure, and warfare servers. The rooms in many of the skyscrapers, malls, residential housing apartments, and other buildings can be divided up among players with worldguard. There is a train station that leads to many other parts of the world, and an airport for flan's plane mod. If you are at war with another civilization formed on a server, there is a well built fortress to defend the city. There are many other things about the city that you will have to find out for yourself, because I don't have time to put it all into one description.
This newest update includes everything in 4.5, but with significint improvements. One of the improvements is the new Quinto Towers that replace the old Palace. If you want to learn more, download it or look at the description in Dorado City 4.5.