Blackberry will pay iPhone users to switch to Passport
As per this CBC news piece (BlackBerry will pay iPhone users up to $600 to switch phones - Kitchener-Waterloo - CBC News)
"Canadian iPhone users with iPhone 4s or later makes are eligible for up to $400 in trade-in value, depending on the model of the iPhone, plus a $200 top-up from BlackBerry.
U.S. users are eligible for up to the same amount, plus a $150 US top-up. Users with the newest iPhone models, the 6 or 6 Plus, are eligible for the highest trade-in value, up to $400."