CHDK DNG contains camera WB setting; even custom WB can be transfered to RAW converter (I tried ACR and dcraw).
Great, my brain was a bit outdated
Revision 669, 15.4 kB (checked in by phyrephox, 2 months ago)
DNG: now the whitebalance of the DNGs should match much better to the jpg than before!!! (Actually, the "as shot" whitebalance now is set in the dng exif tags, taken from the camera in a magical way, so programs like Adobe Lightroom can interpret these correctly)
(uncommented EWAVR'S code, send the money to him 
) read about it here: http://chdk.setepontos.com/index.php/topic,156.msg27215.html#msg27215
