tazman - I read all of the linked thread on SEE, which is now termed EPE. Very interesting for those that are shooting "reduced loads" of slow burning powder. One "take away" from that link is StarMetal got himself banned at 8009 posts!
A question is, if Mfg's publish recipes with minimum starting loads, should a reloader be "concerned" when his powder charge is equal to the minimum as he works his way up?