The following was posted on the digital-finearts (Yahoo) list. You may find
it of interest.
(Re: [digital-fineart] Report from Seybold)
There is a Photoshop plugin available now that helps to reduce grain and
digital noise. It is called Quantum Mechanic Lite, and I have used it
with some success. You can download it and try it for free for 2 weeks
or 20 uses. See
http://www.camerabits.com/