This document — US Citizens Living in Canada — Income Tax Considerations dated February 2013 — just floated up out of the surf. This may be old hat. It may be new hat for a newbie. In any case, FWIW. Here’s a link to the 6-page fancy pdf:
http://www.bmo.com/pdf/nesbitt/USCitizensLivingInCanada_Eng%20-%20BMO%20NB.pdf
