The four-hole Lee Classic turret
press is only a few bucks more than a single stage press, and it is a lot faster. I'd get that and a turret plate for each cartridge you reload. In addition:
A couple of different reloading books.
$15 digital calipers from Harbor Freight.
Auto-disk powder measure
http://leeprecision.com/powder-handling/automatic-powder-measures/Adjustable charge bar for powder measure
Double disk kit for powder measure
