If your finding silvertips pencil through going to a barnes, NP, accubond or any other bonded/premium bullet for deer might not solve your concerns. Though nothing wrong with a 30 or under yard scamper after the shot! When your talking larger then deer such as elk I agree 100% with such a notion to try out these prem bullets.
In terms of accuracy obviously you need to veer from what you've always used to set a baseline. Only way is deciede on a bullet for usage and shoot it to compare with your current load.