Who makes the best pick-up trucks?
They are all good. Difference is in personal likes and luck of the draw with individual units. Ditto dies, but dies are much simpler and there are no secrets to making them.
No offense intended but if you ask that question you must be new to reloading. It will take years of experiece before any user feature differences make any difference at all and then it's mostly a matter of personal preference.
Well, I haven't been doing this that long compared to others around here, but I'll still choose Redding over Lee, and I'm pretty sure I did well in my choice.
