Oblivion lacked some of my favorite armors from Morrowind. Now i know things like belly netch's are native to Morrowind, but i think there is a possibility to have it in skyrim.
And don't say mods will just add these in... i play 360.
Well the reason it lacked your favorite armors is because those armors don't fit in Cyrodiil, since their source of material is unique to Morrowind. Dreugh is the only armor that could've made a comeback in Oblivion but they were land dreugh.
Also, if you remember, the dunmer weren't too fond of outlanders, so chances of the armor of Morrowind coming to Cyrodiil was slim. I doubt they will be in Skyrim and I could care less if they are or not. The chances of them being in Skyrim 160 years after the destruction of Morrowind and the death of all the creatures whose parts make those armors, I doubt they will be in.