I don't know if they do that for every sculpt but they do that for some at least........Harely and Ivy's 'glass' is an example of this.

I'm not sure.
I don' t have any WoS minis yet so I can't really tell if the WoS look better in hand but I thought the Etrigan I have was true to the sculpt I made or at least the memory I have of it or the pictures of the "green". So perhaps it's just the luck of production?
Or perhaps my sculpting have slightly improved during the many months that passed between the two sets?
Or perhaps I'm better at men than at demons,dwarves and girls? :D

umm no sir i think you are quite good with tha ladies.... umm... sculpting them anyways! B^P