Originally posted by pingflood Please explain how since WB does not come into account at all for the RAW file (other than being recorded).
Actually, on a couple of older Pentax models, the in-camera WB setting did apparently cause there to be some adjustment applied to one or more channels to reduce the possibility of clipping, but I don't think any recent models do this.
The one reason why it *might* pay to get WB close in camera is because it affects the histogram - even the channel histograms work post-conversion, it seems. So if you're trying to expose to the right or other use the histogram to base any exposure decisions, it could make sense to have the WB at least close. Otherwise you might be led to think something is clipping that isn't, or vice versa.