The movement rules are not realistic in my opinion.
Especially if you look at the speed of horses and men.
Horses should be able to move 30cm.
Average sized beings should be able to move less then the half of that around the 12cm like it is now.
With heavy armour 1 or 2 cm less, perhaps with a shield less movement.
Armoured horses could be encumbered by the armour, but then again the horses are bred for battle purpose.
You can't have the difference be a single cm, because that's a really wierd fraction of an inch. I do agree about the horses tho, all mounts and flying monsters should be able to move 1-2in faster.
No, the armor is not particularly realistic, but that's just part of the game, and is rather hard to get around. Though I will make the point that the man who has spent the last four years of his life almost living out of that armor has gotten to the point where it is second nature, though he might be slightly slower than the less-encumbered orc, he still has much more endurance than the modern man.
This is very true, the Spartans were trained to run in full gear from sun-up to sun-down with few breaks in full armor (including an 80 lb shield, 20 lb spear, 20 lb helmet, 60 lb breastplate) AND were expected to slaughter the enemy. Men aren't as strong as they used to be because of all of the technological advancements since then.
Why yes, I did own one of these. Back before they all became demon possessed.