Dungeons & Dragons Online + either World of Warcraft or Rift. (The reason I can't decide between those latter two there is that while they're similar enough in most regards, each has a few advantages over the other.) I'd take DDO's more interactive environment and lack of contrived faction conflict (not to mention a color palette that's neither overly saturated or overly desaturated), but give it the slicker look and some of the game mechanics of WoW or Rift.
And yeah, Minecraft + something with more advanced graphics.
And yeah, Minecraft + something with more advanced graphics.