Not quite sure what you mean 4 stage press,do you mean a press that has a turret that will fit 4 dies? unless you are flaring the case neck,or crimping the bullet(a very good idea,although I havent got round to buying the Lee factory crimp die yet ) you will only be using 2 dies,one to resize the case,(full length,or neck only) and a bullet seating die, so my advice would be keep it simple,buy a press that takes one die and take your time,its not a race,and when you are learning,it is important to go through each stage and understand thoroughly why you are doing it,just my opinion mate,best o