A lot of good choices that provide similar capabilities. I have the standard RUM, my partner has an EDGE, my brother standard RUM, and miscellaneous .338 Winchester Magnums in the group. None of us really stretch on game, meaning 500-600 yards is our maximum. The .338 Win provides good results within those ranges. Rocks, gongs etc past that, and the bigger cases give us more hits, but I really don't see the EDGE walking off and leaving the standard RUM's. We use exclusively 250 grain bullets (225's in the Win Mags). Brass is the decider, if I were to start another .338, I'd have brass in hand then decide. Then buy an action to support the cartridge.