This isn't proper place for detailed discussion about Sengoku, but I think that it can be used as an example of what we don't want to see in Rome II. I want Rome II to be as detailed as CKII, not a lite version of it. Many Paradox fans were disapointed to Rome I, because they felt like it was Europa Universalis III lite. Personally, while I did find it's lack of factions and low number of provinces bit annoying, I think that Rome's internal politics (especially after Vae Victis) were interesting enough so I still play it occasionally. Nevertheless I think that second expansion which would add provinces and factions, so that you could have more meaningful foreign relations, would make Rome I a better game and these are the things which I wish to see in Rome II if we won't get second expansion to Rome I.