The most useful bullet weight for the '06 is either the 165 or the 180. It depends on what you're hunting. The load that deserves more popularity is the 200-grain. Right now, I don't know of any factory that loads it, but it turns the '06 into a fearsome killer of large animals. I had one .30/06 that would give me 2,700 fps with that bullet, and it was hell on wheels.