I run the 156gr bergers in 2 of my rifles and it's the deadliest bullet I've ever shot. Haven't had an animal take a step yet - small whitetail does 90 yards to 250 yards, 200lb+ whitetails, 250lb boars, coyotes. I'm running them 3,125-3,175 fps though, that's my immediate reaction of the difference between our 2 experiences.
I switched from the Nosler Accubond because it wasn't doing enough damage to the critters I was shooting and just zipping through. I would get an exit with the Accubonds and a blood trail, but it seemed like the energy in the body cavity left a lot to be desired.
I have a 6.5 SAUM that I'm running the 140gr elite hunters in, about the same speeds - 3,160 fps. They have proven to be very deadly as well. You may want to try those?
For what it's worth, I'm aiming right in the middle of the shoulder of all of these animals - not behind the crease of the front leg. If you put a berger bullet up the leg, in the middle of the body (assuming a broadside angle) it should bang flop them almost everytime.