Well, my wife just had her second appointment today. She went with a lot of extra information and documents. In addition to the required documents she went with the following; a letter from me, a letter from my parents, a letter from my employer, a letter from our doctor, pictures of us together since 2003, travel reservations, a pay stub (of mine), my passport and other photocopied ID's of mine. The customs agent just briefly looked at these and gave her the visa. The agent was much more pleasant (according to my wife) than the previous one... maybe it's just a luck of the draw that you might get someone who had a bad night the night before or a bad day. So, she's had a good result. We're just concerned that they might just give her a single entry. She explained to the agent that she would want it for more than one occasion but there is no where in the application or interview where you request a particular type of visa. By the way, in Toronto now they use the DS-160 form that gets filled out online.