So, as I mentioned before, I'll bite the bullet and get a transformer, darn it.
@cyclegadgetPlease don't assume that the whole world is the U.S.A. While the physics might be the same (much to the shagrin of the U.S.) the words are not.
You're right, the form factor of the wireless Kill-a-watt sensor is really nice. I could never match that cool little package.