I'm not sure what the up-grades are. But the press I've owned and used for over 25 years has never let me down. Only down side I encountered was going from a .473 (308) to a .223 case. You must turn the case plates around.
The only thing keeping me from lowering the price a little is the shipping cost. If you're in CA NV CO NM and you're interested let me know, I presuming my shipojgncostbwill be a few $ less