I guess this rules them out. I use Lee dies... both websites say essentially the same thing.
RELOADING TIPS
Make sure to have a good bell on the case so not to shave off the coating during the seating process.
Do not seat and crimp the bullets in the same die. Use a separate taper crimp die.
We highly recommend Dillon reloading equipment.
Do not use a roll crimp or Lee Factory Taper Crimp Dies.
The roll crimp will cut through the coating. You must use a taper crimp die.
The Lee Factory Taper Crimp Die will undersize the bullets causing accuracy and fouling problems.
Most of the time a heavier crimp will work better.
Sounds like a Dillion is in order here.
This could also explain BE Mike's post warning of fouling problems and why I have no such experience. Dillion reloaders are the way to go.