New rifle should be here Friday (Savage 12 lrp in 260, 1 in 8" twist):D, Lapua brass not too far behind. I will be starting out with 140 bergers (not sure which ones yet (suggestions welcome), 140 Hornady ELD-X and A-Max, and Lapua 139 gr. Scenars. Not sure what powders to start off with. Would...