I have an Atlas SW9/1200 and it was my only switcher. Then I tried to replace the Rapido with Micro-Trains couplers but the project came to a halt because some technical problem. I thought that I wouldn't be able to have my SW9 running again so I ordered a MP-15DC.
I finally had my SW9 running again ( after slightly filing the shell ) last week-end and yesterday my LHS called to let me know that the MP-15 has arrived.
Here is a pic of it, and I hope to post a bigger picture when that brave Peter will have the gallery running again.