+1 on starting with the progressive if that is press you ultimately plan on using; you're going to end up learning to use it anyway. I had no problems learning on my Dillon 550 when I first took up reloading.
You can run one case at a time through the press to get the hang of it if you find the process a bit intimidating at first.
You can run one case at a time through the press to get the hang of it if you find the process a bit intimidating at first.