Answer:
(Light Armor Option) If you specialize in light armor the full glass armor is best.If you have expansion pack Knights of the Nine the crusader armor is best.And if you have Shivering Isles the best armor is perfect amber set.
(Heavy Armor Option) If you specialize in heavy armor the full daedric armor is best.But if you have the expansion pack Shivering Isles the best armor is perfect madness armor.
Therefore best light armor is Perfect Amber Armor Set.
Therefore best heavy armor is Perfect Madness Armor Set.
heck no dude not PERFECT MADNEES ITS GRAND MADNESS ARMOR ITS UNLOCKED AFTER LVL 19 AND BEETING THE MYSTRY QUEST U HAVE TO DO IN SHIVERING ISLE SO GRAND MADNESS IS THE BEST HEAVY ARMOR BTW ITS REALLY HEAVY
the best armor is where you enchant your armor with camelon on five different pieces