If you DO go the single stage route, look at the Hornady Lock-n-Load bushing press. Maybe I'm particularly biased to this, but I hate setting dies. I want all of my ammo to size and seat the same, so to me it's counter-productive to remove and reset the dies every time. The bushing set up would be nice for a single stager to swap dies or cartridges quickly and easily, and NEVER have to reset height/depth, much like I use my turret heads for my turret press.