sonaar Hi Toni, I already considered that and made some R&D in that area. As you noticed correctly light objects cannot be wrapped into a block and this is serious issue here however I explored possibility of "dirty baking" such lights during data export just before render start. As far this seems to work its far from being usable in everyday work pipeline.
If you need this badly I can try to add this as experimental 'hidden' feature in upcoming update, but be prepared that it may make Rhino very unstable during various render operations.
