Ultima universe enough to create a believable character in that world, though I didn't play as long as I would have liked. However, my second MMO, Star Wars Galaxies, made roleplay really easy. With a bushel of emotes, character animations, and activities not directly based on combat, Sony's Star Wars MMO solidified my definition of what it meant to play an MMO. Of course, after that, the new MMOs -- with too few exceptions -- stopped lending themselves to quality roleplay thanks to the World of Warcraft design model.
The change in scenery didn't stop roleplayers from forming amazing communities. In spite of mechanical issues and linear questlines, the Lord of the Rings Online roleplay community thrives. Rumor has it that WoW's roleplay community actually does something besides dancing on mailboxes in Goldshire. I don't think I have to tell you how difficult it is to roleplay in Star Wars: The Old Republic, but I do it anyway. My friends and I are considering jumping into The Elder Scrolls Online not just to play the game but to attempt to roleplay in it as well. It makes us wonder whether we'll be encouraged by the game to roleplay the way we like to or will have to roleplay in spite of the game.