Neither do I -- until I attempt a render with more than 3 mil figures with hair, clothes, and background props.  Exceed that, and firefly gets iffy.  It might work, and it might not.  Even when applying the various "tricks" like adjusting bucket sizes, etc..  This is with 2G of RAM.

I know that some others claim to have no problems rendering 9+ Mil figures in a scene -- but such results with P6 have been well outside of my experience.  Perhaps they aren't using features like raytracing.....that might force a render -- if they render with no extras.  But doing so sort of defeats the purpose of firefly.

Vue, anyone?

Something To Do At 3:00AM