if only one powder, think Unique.
you will be happier with your results if you have several.
with any progressive, be prepared to tinker. setup, startup, can try your patience, especially the Lee.
check for and remove all casting and cutting burrs. lightly lube all rubbing parts not powder and primer related. this little machine will not chomp, chompem out like a Dillon, but it will work after you and it get used to each other. watch that primer gadger, you may want to prime as a separate operation.
if this forum builds as i expect it to, there will be several thousand reloaders on it. hopeso. several someones will have the precise answer to any question you may ask.