We would be looking at an enforcement date in May, worst case scenario. Keep an eye open for investigative efforts being put in ahead of time, since I would expect a rash of arrests as soon as the ink is dry on the paperwork.
We are not just talking rush to buy what you want to buy, but a rush to sell off what you want to sell off because the music stops when the ban hits. Or should I say, the soft elevator music stops. Things will get real interesting when the Heavy Metal bands warm up...