as a hacky maxscript newb i'd probably try dissecting existing scripts that walk through your scene and toggle modifiers and adapt them to my needs. the soulburn scripts package has one that toggles all TS modifiers, for instance. Probably pretty much what monster said.
hum nop I don't want instance them, I still want to be able to go back on each indivudally and do some change without to have to cut the instance. But what say Monster is what I was looking for, I was just surprised beacuse of the diferent"logic" to make a very similary thing (change on object properties VS change on…