I won't be going to mechanical mods unless the government seriously interferes with access to regulated devices and mine go bad somehow.
I was under the impression mech mods and the unregulated sectors of the vape world were under more scrutiny (juices, mechs, things like g-plat, pre-made possible problem causers like sub-ohm coils...)
.... the boxes are really the only regulated thing we have, from what I understand though, they were at one point trying to make anything after 07 that isn't regulated would be illegal, I could be wrong, just what a small juice maker said here.. He is the one that informed me about casaa though.