Hey, I came across this mod that makes Oblivion Dunmer look more like there Morrowind counterparts by giving them the same ears the Dunmer in Morrowind had.
http://www.tesnexus.com/downloads/file.php?id=30631
I also found this other mod that does the same thing but it also gives them the Morrowind tatoos and makes them look a bit better as well.
http://www.tesnexus.com/downloads/file.php?id=31801
I also found a mod that has nothing got to do with Dunmer but it does make Oblivion Dremora look like their Morrowind counterparts.

I tried this a while back,
I tried this a while back, but it didn't seem like anyone was too interested in it.