PSE has come a long way in recent years and i would not be afraid to shoot one except for the fact that i cant walk away from my mathews lol. Anyway, if you like the bow and shoot it at 50-60 lbs and it works good then why move on to 70lb. I shoot 63 lbs and have the ability to pull 70lbs but i like my setup so much at 63 that i have no desire to go higher.