I can understand that working commercial photographers might want contact sheets for tracking and record keeping, but as a hobbiest, I can't remember when I last made a contact sheet. I may have done it many years ago, but it's never been a major part of my workflow. That said, I do tend to scan a lot of my rolls today which can be pretty time consuming, but for much of my stuff, a d!git@l file is the endpoint. Most of my printing is targeted at exhibitions. Some of this is due to the darkroom being an inefficient mess until I get time to overhaul it. At any rate, I can usually tell by looking at the negative how deep in trouble I am!