I am new to rifle reloading and will be reloading .223 and 300 norma mag. Are all case trimmers created equal, or are some units better than others? I have an rcbs rock chucker and a charge master, what other items will I need to get going? I am somewhat familiar with the process but still learning. Also any advise on dies would help. Are Lee dies better than hornady, ect..... thanks in advance.