Certain aspects of games such as Stronghold would be ok, e.g. processing of resources to improve their trade value or usefullness etc, but equipment that can be manned would not be something I would like to see in a TW game. I prefer the way towers were handed in previous TW games with arrows emerging from the slits. I would be all for ballistas, catapults or cannons on towers starting with a permanent, crew that can be killed off, though.

The digging of moats thing I dislike. The way I understand it, moats or "mottes" were not circular channels of water, but moreso mounds created by gradually lowering the land around them then raising it up more sharply in the centre. The fort and motte in MTW1 is rather strange as the tiny walled fort in the centre should really be where your units deploy and the motte should be outside of this, not within it. For the fort motte and bailey the outer wall (the bailey) should be wider and enclose a small village. The trench at the base was often filled with water sourced from a spring (many of which would often dry up in the summer) or by way of a stream or river diverted for the purpose. The important factor is that the trench was not the moat, the hill is the moat. It is modern popular history that has corrupted the meaning. So basically the moat would be created before the castle was even built. All of this renders the stronghold version of moat building very gamey and naive.