I've used mostly RCBS, but just got a set of the Hornady New Dimension dies for .280 Rem. and have loaded 20 rds. with them. The workmanship is first rate, and they load concentric ammo. I also like the shape of the expander plug. One thing to watch: if the dies are for a cartridge which is chambered in pump rifles or semi-autos, like the .280, they will squeeze the fired cases smaller than factory ammo. You have to back the die out to stop excessive resizing, even for tight chambered bolt guns.
Their customer and tech service is excellent.
Worth trying, Tom
Texas State Rifle Association Life Member
NRA Endowment Life Member
A big fast bullet will beat a little fast bullet every time