I'm agree with you Gunner, we're going to build some maps at this scale (15Km), and wednesday evening(french time); we're going to post the map, that we'll chose.
Ajlewisbrookes, I've already noticed this problem, I use to make a test with my two computer in MP game, before validation of the OOb. But, since last patch, this problem appears more often. It's only my thought.