Re: Best all around progressive
I use the Dillon RL550B, it's all I've ever owned, and it's all I've ever needed. I have three measures, each with a different metering bar, and swap them separately from the toolheads. In addition to swapping toolheads, it is often necessary to change the shellplate, and also sometimes the priming system internals.
Using previously assembled and adjusted toolhead setups, a caliber swap, including shell plate and priming internals, seldom takes more than ten minutes, sometimes less than five, depending on that day's degree of personal sass.
The things I like most about the RL550B are the ability to retain die adjustments across saveral caliber changes, and the ability to operate some stages progressively, and others as a single stage. The things I like least are the inconsistency of the powder measures with stick powders, and the complexity involved in properly cleaning up powder spills.
Greg