Shaman, I'm not nearly as old as you, I'm 57. I also see no reason to change. I reload some, for 6.5x55 and .223. Some people have mentioned 150 grain bullets being better for deer than 180's. I don't see it that way. We have two 30-06's in the family. In one of them we shoot 150 grain Corelokts and the other 165 grain Corelokts. The reason has nothing to do with bullet weight but accuracy. Those weights were what shot best out of those rifles. If 180's shot best then that's what we would shoot.
Of course where I live 30-06 bullet weight is a moot point anyway. Most Texas deer are pretty small comparatively.
