i used to get mine from powderinc.com
used to have the best price and would ship 2 cases at a time,,,last time i got powder i got 4 cases,,,,course i was shooting a lot of BPCG at the time,,,feeding a 45-70 and 45-90 can suck it up pretty quick
they are good ppl and will ship it right to your door
my .02
ocharry