Added suggested stats in the first post.
I think having one medium armor with the same stats as the current heavy strange armor and one heavy armor would balance things out :
-The medium strange armor would be finally useful
-The heavy armor would be used only by heavy inf. probably
- Since the heavy armor would be the most expensive one, you won't see too many red samurai running around, most people will use lighter armors
- Some of these armors do indeed look pretty heavy