I like this map too.
I just started a SP game with 11 AI nations (EA, I'm playing Arco for the first time).
I found a bug (at least in the first 12 players version) : the pixel for the middle province in the little 3 provinces triangle continent at the bottom of the map is doubled !! So, there is 2 overlapping provinces at this emplacement (the same as in AomOrc 3.0, for those who know).
Edit: Oups! Sorry jutetrea, you've allready pointed this ...
Some aesthetic notes : it is too pale
and the blocking moutains aren't enough visibles.
But I tell you : this is a very nice drawing work, really.
For the game concept, I will tell you after my victory (yep, I will win ... no doubt about it ...
)