Agreed, you can scratch PM/PS from the list. Regarding the other two combos:
• Photo Mechanic with Capture NX2 is a natural combination. The images live inside Photo Mechanic — to browse, sort, key word, etc. — and automatically round trip to Capture NX2 for processing. Photo Mechanic has lots of extra features, notably (to me, anyway) the ability to extract the JPG embedded in the RAW file. Photo Mechanic just added the catalog feature but I have not used it nor read much about it.
• Lightroom essentially does everything that Photo Mechanic and Capture NX2 do — browse, sort, keyword, catalog, and process. Obviously things are a bit different, and some prefer PM/CNXs and others prefer Lightroom. As I said above, I think Lightroom is overall more powerful and up-to-date than the other two together.
I admit to still occasionally using Photo Mechanic for a fast browse-and-delete of a large shoot and or the quick export of JPGs from a shoot. But other than those rare moments, I live in Lightroom.
Jon Kandel A New York City Nikonian and Team Member Please visit my website and critique the images!