Since burning platform is out of fashion since Elop's mission accomplished I would suggest the term melting down reactors.
BB10 - cooling systems failure, meltdown imminent
iPhone - still in the process of neglecting safety standards and warnings.

The BB10 looks like the nicest OS though.
I agree with the above pro's and at least one of their devices has a HW keyboard.

" I love the iPhone, but almost everyone nowadays has one"

All prejudices ahead, I would tend to respect you more at first sight carrying the BB10 over the iPhone but I would ask if it was your choice or your IT departments' first. Got advice on maemo.org would do

see you when we are al raving about our Sailfish