http://www.mxdwn.com/2010/11/11/news/the-latest-on-japanese-music-scene-3d-hologram-rockstar/ Not really, but this technology could make it real. I bet Daft Punk starts using this technology at their shows as well if they start touring regularly again.
Awesome! I'd thought of Gorillaz but had heard Albarn was pretty much done with the band. They never toured much anyways.