Also, when we're talkign about graphical design, Oblivion's cities genuinly looked like cities, they were big, had a plenty of civilian buildings (and don't even pull Imperial City at me, just show me a TES city with higher population since they dumped procedural generation). What Skyrim's got is a joke. And exploration? There are a few locations worth finding, and you can be sure you won't find anything interesting in them since loot is almost entirely leveled.
And Dark Elves? They looked ugly. Just as all other NPCs in Oblivion. It's still better than Morrowind thanks to reasonable animations.
All NPCs looked horrendous. In Skyrim they did an excellent job on all races.
Morrowind was much better. For the time when Morrowind came out the faces looked great when they were unique, unlike Oblivion, where everyone looked similar with one NPC being more terrible than the other.
The character creation aspect, cosmetically, was terrible in Oblivion. The way every single NPC was created was plain terrible. Skyrim fixed all of that.
The animations in Oblivion were god awful. By the time Oblivion came out they could have done so much better. Morrowind was justified because it's old.