Edited to remove SEO links. Moving to Photoshop General Discussion
Product Integration Manager
Start with a raw image for detail, you can adjust anything here especially shadow and highlight detail, the second button). You can then use the adjustment layer of black & white. Start with auto, but how pull the sliders around is different for each phot. If you still want to enhance certain areas I suggest color balance (under the black and white) for shad, mids, highlights.