The accubonds have been easy to find an accurate load with in everything I've tried them in, and they have excellent terminal performance in my opinion. I've used them in every caliber from 25-30 with nearly identical performance in all cases. They open very quickly to start the wound channel and hold together well to penetrate. They open fast enough to drop coyotes in their tracks and I've yet to had a whitetail run over 100yds after the hit. The bullets have all exited also on everything smaller than elk even at bad angles through bone.
The downside is that the accubonds boattail is so small it doesn't add much to the BC. I use accubonds in everything except my specialized long range rig, the 264.
The bergers don't always leave exit wounds, but do enough internal damage to immediately disable deer size game. They don't do as good a job on coyotes in my experience, they penetrate 2-3" before expansion and that is pretty deep into a coyote.
Personally I prefer the terminal performance of the accubond, but like the improved BC of the berger enough to use them in my 264. I've never had a deer take a step after being hit with a berger, but I worry about the lack of exit wounds if I eventually botch a shot. I use accubonds in every other rifle, but trust the bergers for the 264, my favorite rifle. I shoot the 264 if I expect a 300+yd shot to be more likely than a 100-yd shot, or if the wind is howling.