You can now download the demo and try it for yourself [Requires Oculus Rift DK-2]. Here's a youtube clip to give you a taste:
There's more info here on the Oculus Dev Forum post. And here's a download link to the builds if you want to jump in:
Win7/8: Note: This demo runs great in win7, I've not tested in win8 however.
Time to start thinking about the next project. This time a Unity5 VR test of the real time global illumination capabilities of Enlighten from Geomerics.