Lyman T mag 2 turret or the Redding t7 would be my choice with extra turrets. I have the Lyman, I keep the 257 Roberts, 270WSM and 35 Whelen in one turret and a spare for when I load the ones I shoot less often. I also have a Lee 4 hole turret for loading pistol ammo.

http://www.foxnews.com/politics/2010...est=latestnews

It seems the turrets would be the trick, rather than reinventing the wheel everytime when changing operations. It would be a bit of a pisser to get a load perfect, then not be able to duplicate it.....Course until I actually try it, Im just spewing words...

Then its a crap load. I too have went down the road of trying to duplicate a shooting session in vain. You want to find a dynamic load. One that can shoot well hot or cold, or one that shoots well with OAL differences of up too .005". This is the reason the ladder method does have merit.

Its not nearly that difficult. Once you set up dies and tighten the lock ring you can take them out of a press and put them back in without really changing anything.
I have duplicated many loads for many rifles time after time with no problem.

.......Absolutely. I also make up dummy rounds for various bullet/seating depth combos as well as trim length. You can reset seating dies nearly dead-on every time, checked with comparators and calipers. I always like to use the same shell holder(s) too. Only bullets I crimp are 45/70 and pistol.