> its a very complex csg (the bright green hides the detail unfortunatly) -

 Yes, I see it if I look closely. 
 
> with aa, 2 5x5 area lights, and the rad lighting it crawls...

  Not only this. You're using a damn slow combination: "area_light +
radiosity + transparency". Try a test with a opaque texture for the
plastic cover and you will see render time decrease. I've on my hands a
scene with radiosity and 3 huge arealights, and the it renders not too
bad until it reaches the first glass bottle. "Complicated CSG +
radiosity" seems to not have such a drastic effect on render times if
you don't make it transparent.

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org/

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