Check out Home, from Sony. (The article calls it “Third Life” which is misleading at best.)
Briefly, it’s like Second Life, without the user-made content, without creation tools, but with voice, great HD graphics, a free house, and doubling as a lobby to access multiplayer games. PS3 only.
It’s not out yet, and while the video looks great, I have to wonder if people will actually choose to visit it as an end in itself. There’s certainly not much scope for a thriving economy without third-party development. I’d like to think the graphics provide a sneak peek at Second Life v3, though.