The payoff to the Dragon Priest Masks quest was so underwhelming. Why couldn't the reward be a shapeshifting mask that you can modify into any of the previous masks, anytime you wanted? :
Jonah Lobe - Skyrim - The Dragon Priest Masks (All)
Skyrim: The Best Dragon Priest Masks (& How To Get Them)
Skyrim Dragon Priest Masks, Wearable, 3D Printed, Unofficial - Etsy
Skyrim:Morokei (item) - The Unofficial Elder Scrolls Pages (UESP)