As of now (ca 17:00 GMT+1) I'd like any suggestions for tonemapping etc. I'll keep Indigo going for another 4-5 hours, but I'm afraid my computer's already developed sentience, and hate of humanity.

If you've got a better idea for a setup/lightning, tell me. I was pretty satisfied with the concept and models, but scene and setup are always my weaknesses.
Oh, and for anyone not bashing their heads against their keyboards, the name is a pun based on a certain prefix and a unit of mass.