I too am interested in the pellet sizer. Will you need a new base for different calibers, plates and probe yes. I also would like to know about price and availability of the sizer. Would I be correct to assume wherever your pellet are sold.
Okay got a problem with internet shopping? Go jump in your vehicle drive an hour into town and go to Sears or Western Auto and see what you can find. Jesus, man quit whining about internet shopping, the world is at your fingertips.
Louis, you have to live with you, I don't. If your mind and heart say you can live with your decision go for it. If you change your mind I promise you there still be plenty of the vermin to shoot at latter date.