Un site internet fait un excellent dossier sur ce sujet en proposant en plus, une règle Napoléonienne.
Playing historical in 2mm isn't that bad. We gain in storage, mass effect for the painting it is different not to mention the basing and the creation of the sceneries. For my part, I still row with the trees.
A website makes an excellent report on this subject by proposing in addition, a Napoleonic rule.