I have the same RCBS crimp removers on my RCBS prep center. I find myself using my Dillon Super Swage far more often than the RCBS stuff. When I prep brass, I like to size/deprime as the first step, trim to length using a WFT mounted on a drill press, then chamfer and deburr on the RCBS prep center. The problem I had with using the prep center/crimp remover is that the brass is still lubed at that point so it's harder to hold onto during the crimp removal, and especially smaller cases like .223 cause hand fatigue when I'm doing LOTS of cases. Even with the Dillon being a separate step in the prep process, I can process more cases in less time than adding that task on the RCBS prep station. That being said, any time I'm doing smaller batches of anything (under a couple hundred), I use the RCBS as it works fine, just slower for big batches.