From my experience, no internet safety plan is complete without A) someone else holding the filter password B) a reliable chavrusa program , where someone you respect sees every site and link you click on and last but most importantly C) you have to be honest with yourself and know 1) what is dangerous for you ( what are your pitfalls and weak points) and 2) always use your brain ad remember that you want to keep yourself and your home clean ,
About the pros and cons of each one, why don’t you contact TAG?