If I, say, want to get Glass Armor, but never go past it... (because its pretty) can I upgrade & enchant it to the point of being "good" armor for super high levels?
Level 47. Master difficulty. Unarmoured.
Stuff kills me in one shot, but given how easy it is to avoid being hit (excluding dragon autotracking, which is magic damage anyway), it hardly matters. Hell, it actually improves the game a whole lot and removes a lot of the lategame godmode feeling.
My point is that you should see armour as a luxury. It's not needed, it just helps.