You might be considering the purchase of a product like Adobe Lightroom to handle your RAW file processing with your Nikon 1. But you also know that there is a companion product called Adobe Photoshop that seems to be favored by lots of creative people. Do you need both?
To answer that question you need to understand the role each of these products plays in the Post Processing of RAW files. Click on the link above to view a PDF which attempts to explain the both in plain language using simple terms.