3Delight for Maya 6.0.3 was released a few days ago.
I'll quote maxime here:
On top of the bug fixes, there is now support for Hypershade networks connected to the render camera's "miEnvironment" plug, and they auto-generate env maps for the GI effects. This allows support for the physical sky Mental Ray node with the Global Illumination effects of the Render Pass. See the "physicalSky.ma" scene in the examples folder for a simple setup showing how this works.
I finally had the chance to set up something more than spheres to show you how it looks (you may even recognize something I've used before):