Instead of using Photoshop, why not give Apple's Aperture a try? Aperture is designed more for post-production work for professional photographers, letting you cull through shoots, enhance images, manage massive libraries, and deliver stunning photos.
Watch this video tutorial on how to manage color in Aperture. Whether you're creating a proof sheet for a client, or printing high-resolution images for customers, or soft-proofing your images in the editing process, you need to be certain that your work maintains the highest level color fidelity throughout the digital workflow. Aperture greatly simplifies color management using Mac OS X's ColorSync and Core Image.