Every once in a while I think I want a progressive press. Many moons ago I sent a Dillon back since it gave me some primer seating headaches. And honestly, there was too much going on at once for me to feel comfortable with it. I've been using a single stage ever since. But there are times when I get weary of loading .45 ACP. I'd like to be able to crank out some rounds, but then I remember why I use a single stage. There is some advantage to running a batch of cases through one operation and then moving on to the next step.