The best one handed axe ist a self enchanted daedric war axe, there is no really good unique axe in the game. If you need a daedric war axe visit the sunken vaults of Anudnabia. You can find Anudnabia between Khul and Ald Velothi.
The best light armor in the game is the cuirass of the saviours hide. This one is hidden in Tel Fyr. If you need more detailed information let me know.
