Jen - are you coming to Canada first?
You have a friend in Ottawa, correct?
Why not get HER advice? Asking her to keep in mind that you are likely to be feeling the cold more than she would, because you are not acclimatized.
Perhaps she could order you some items from Mountain Equipment Coop or Land's End to be here, ready for your arrival. Anything that did not fit/ did not work could be returned.
Here are a couple of ideas:
A bunch of different base layer options: http://www.mec.ca/AST/ShopMEC/.....eLayer.jsp
Here is the silk underwear at LE: http://www.landsend.com/ix/ind.....=newSearch
I do not find it as warm as synthetics like Heatech or as Merino wool. But you are not going to be outdoors for long periods of time, as I understand it. It is not as if you are skiing or snowshoeing all day -- which is what those other layers are really designed for. The silk would probably be enough for you given your mostly indoor activities. Remember, houses are centrally heated (sometimes to ridiculous heights).