If you have CS3, then I would think there is a good chance that you have Adobe Bridge? If so, open Bridge...navigate to where the images are, and they should be visible. Then, that should allow you to use Adobe Camera RAW to start your editing...from there, it will allow you to go right into Photoshop.
If you don't have Bridge, then I would think your best shot is using the camera's software. I have CS3 on a laptop and PS7 on my PC, on my PC I use my Nikon View to start with my RAW files and convert to .jpeg. Hope this helps, or hope you have already solved this problem.
Kristy
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