1 - You don't want to sharpen noise.
[a href=\"index.php?act=findpost&pid=148100\"][{POST_SNAPBACK}][/a]
I know, but since all images comes out of a DSLR with some form of softness, due to the Antialiasing filter, then I wonder if I reduce noise of an unsharped image will result it to be too soft.
But you are right, better noise free and a bit soft, than sharp and noisy.