Which castle allows for the fastest development?

Not building creatures on the first week and focusing on economy instead is a sign of utter noobishness.

Hmm. Now, a statement like that is exactly a sign of utter noobishness. Sometimes shifting toward the economy even just a little bit is almost the only way out. For example, say you've used up all your restarts and ended up with a 2x2 respawn with one road to ГО, a crowd of Titans, no crypts, and nothing else. Now, in a normal situation, of course, you can even skip building the prefecture—if you get lucky with resources and money buildings. And then Dragon Utopia and so on, so I wouldn't advise making such definitive statements