motorcyclist..."I've been thinking about moving up to a turret press..."
I started out with a LEE single stage press, when my shooting need required more ammo, I bought the LEE classic turret press and this has met my need very well. I can produce hundreds of rounds without too much time or trouble.
Which ever press you decide on I think you are doing this the right way, that is to progress as your shooting need dictate. You may find that a turret press is all that you will need.
Good luck with your decision and be safe out there.
"A man can never have too much red wine, too many books, or too much ammunition"