Narf's plate armor.
http://forums.taleworlds.com/index.php/topic,100949.0.html
Narf's Transitional Armor
http://forums.taleworlds.com/index.php/topic,119352.msg2883889.html#msg2883889
Dunno how the art direction of those settings are, but these are armors from the 14-15th Centuries. Good luck.
Gothic Knight took part in the creation of this Package by mr.master, he also made his own Collection of Items(greek style, so nothing for you).
Hmm, that's my old OSP from a year ago. I have a more recent one here, but I've went on hiatus since I need to get better at modeling and I need to prepare to college.
http://forums.taleworlds.com/index.php/topic,143862.msg3457313.html#msg3457313