Mark,

thats OK mate, I know what it's like to get side tracked, I am in the process of cimporting an 1886 winie reproduction in 45/70. May get turned into a 50-110....not quite convinced yet. Funny thing is that this was not on my list until a fellwo forum member forced me into getting one

Bob your clearly a man of discerning taste as evidenced by using the same rifle and projectiles as me.
IMR powders are difficult to come by in Australia but H4350 and H4831SC are manufactured in Australia.
I can hardly wait for the weather to become cold and for it to rain so we can start hunting sambar.
Mark