It's obvious I like both designs of hers. Not some "battle gown" like FSN Saber, a straight plate armor as it should be.
If Nasu really insisted on FSN Saber battling around in "skirt", he should have gone for a twist with "being inspired by Artorious" completely and have her in Roman soldier uniform since chances are they were still running around in their "short skirts" (though pants were adopted more and more in dominate because of Germanic influences)
Still Saber's design not as ludicrous as Nero's.