After reading John's comments (on the Gelugor post)about what I must be doing wrong in trying to convert RAW images to jpegs, I hunted high and low through my dusty piles of CDs till I found my Canon EOS Installation disc, which was still sealed in its original plastic sleeve!
I installed Digital Photo Professional and did a quick upgrade to the latest version from the net. Then I revisited my Little Heron pic from the other day, which I had processed from RAW using a freebie RAW converter called Stepok's RAW Importer.
No tweaks or filters - just a straight convert and crop. Here's what I found:
Still can't see any difference? Let me blow up a small section of each picture...
NOW I see the difference! Thanks a lot John. Guess I'll have to start buying some more CF cards so I can shoot in RAW!
DPP (left) Stepok (right)