The Automatic City, a Concept Challenge

In real life, I'm a programmer. I like putting a series of commands into a computer then watching as it carries them out. In Minecraft this translates as being interested in automation, getting the game mechanics to do stuff for me. It makes things faster and easier and allows me to move on with what I want to do. That's another reason why I like mods such as MineColony and Millenaire; the NPCs do things that would otherwise be required of myself.

Recently I thought of a new goal for myself: to make an automated, self-sufficient city sporting various contraptions to work for me. This includes: mob traps, harvesters, self-repairing walls, cobblestone generators, TNT cannons, sewage system, light sensor-operated lightstone streetlights, and so on. This kind of thing would demonstrate a mastery over the game and also make it more convenient for me.

Then I thought, "This could be a good challenge." On the Minecraft forums, people have made plenty of challenges and my idea seems somewhat interesting, I think. There are several types of mobs that could be used as citizens of the city - the Testificates, Snow Golems, mod-added entities, etc. How about designing a city that features automation of all sorts that has the look and feel of an actual, inhabited settlement? It would feature things like a section devoted to homes, farming area, a downtown market, and whatnot. Encasing it would be a self-repairing defense wall with TNT cannons and arrow dispensers. In a user-chosen location would be a victory monument that symbolizes the player's mastery of Minecraft. The various aspects would be assigned numbered scores so people could compete to make the best, most automatic and sophisticated city they can. I think "The Genius" would be a good name for the challenge.

What say you all?