I turned off raw for some stacking and forgot to turn it back on for pics and now don't have raws for that session. Now I bought more memory and turned it back on.
One more link that has been a major help for me, especially in understanding sharpening, clear examples.
http://www.cambridgeincolour.com/tutorials.htm
No WB for stacking
This never even occurred to me, thanks for that gem Rik