Which Ancient Warfare title to start with?

[enhorning]

I'm going to buy one of the Ancient Warfare titles, as I have a keen interest in the period, as well as thinking WeGo is underused in wargames.

However, I am uncertain which ones to get.

As far as features goes, it is my understanding that older titles are patched up to match the most recent release. Is this correct?

For settings, they are all interesting, with Greek Wars being slightly less interesting than the other titles.

So - it comes down to scenarios. My preference is definitely for smaller scenarios. So - which title has the best selection of scenarios for a beginner, and which title has the best selection of smaller scenarios?

Any other reasons to pick up a particular title over the other ones?

Thanks!