Hi Bigbear,
take a look at my thread about a page down on 300 Weatherby.Might help a bit.
Back about a year ago I started a thread similar to yours and practically started a fist fight between the "My Best Load" and the "What works In One Gun Won't Work In The Next Gun"guys.
One very informative Member was so intimidated that he withdrew his reply !Hopefully he'll respond here.He was very interesting.
What Gun & Bbl.Twist are you shooting ?Makes a difference.