I really like the vast majority of the metallic bits on this skin. However, the shin-guards don't seem to wrap well on either the front or back of the legs, they end up going halfway down the feet on the front and look rather bright on the back of the legs.
The face of this guy suffers from the same shortcomings as your other knight skin as well, the color difference was probably there before but the separation of the upper and lower half of the face by the helmet makes it look more noticeable and out of place.
Something about the horse doesn't seem quite right either. I know WC3 horses don't look very much like horses, but with the texture of the brown on the horse it reminds me a lot of a sock puppet. Perhaps a break in the covering over the horse could be made around the mane, and the edges of the (leather?) covering over the head and neck of the horse could be more easily visible from above.
The scalemail on this guy kicks ass though, looks very nice. I like the scratches on the helmet to