Penius Occulatus, Light Armor, sort of ancient roman officer skin.
Forsworn Armor for female evil witch characters is cool to.

Ebony and Blades Armor FTW!

Best looking armor is a questionable topic =P, however Deadric probably gives the biggest impression of power since it looks very much like Dark Knight armor in skyrim, I'm sure people get intimidated when they see my character walk past =P.

Nightingale FTW