Which version is correct for the jpeg you are using for the IBL if you weren't in poser?  Is it the darker one or the brighter one?  Also, do the subsequent final renders get brighter if you leave your lights alone or not?

I'm just trying to rule out poser's display being borked pre render.

WARK!

Thus Spoketh Winterclaw: a blog about a Winterclaw who speaks from time to time.

 

(using Poser Pro 2014 SR3, on 64 bit Win 7, poser units are inches.)