Ah, yes, forgot about the 4/6 cycle... That is even easier to set up than a 3/7 cycle. Sid is always a completely different game with different strategies required... But is Monarchy really useful for Sid? Whether you research or whether you try stealing or n-fers: you will always need lots of commerce?! It probably depends on whether you manage to get Philosophy: in that case Republic should not come much later than Monarchy, not?