if your magic 3.1 works good, then why change it? magic 3.1 works diffrently on diffrent versions on ps2, sometimes good, and somtimes like ****...
it sounds strange that you havn't had ANY problems with it... but if thats the case, save the money and buy something elese...
i beleve messiah 2 pro is much better when you are booting ripped games (games ripped from dvd to cd-r)... but it doesn't have any other features besides booting EVERY game, EVERY time...