The Big Three in Canada are Bell Mobility, Rogers and Telus ..... I wish we had Verizon
If you get to use an IPhone you'll fall in love with it, not for the phone but for everything else you can do with it ..... I never was a big phone guy (never will be) but this thing is so much more than a phone.
When they say "There's an app for that ...." there literally is.
And if you're a little adventurous, you can always "jail break" it and free yourself of most of Apple's restrictions.