Originally posted by Hattifnatt Thanks for the replies. It did help. One thing I don't get still... I understand the philosophy of non-destructive editing so that Nik plugins work on a copy... but wouldn't they achieve a better result on the RAW file directly? I can always make a copy of the original before starting to edit it.
Most programs that work on images, other than Lightroom, cannot do so without converting the RAW files to some other file. TIFF seems to contain all of the RAW data, but be usable by programs like Photoshop Elements and Nik Effects.