Forget the all-touch Z10 for a moment. This here is RIM's BlackBerry's other BB 10 device -- the BlackBerry Q10. As you can tell from its alphanumeric moniker, that single letter is a nod towards ...

The Z10 and its big, rectangular touchscreen look like the post-iPhone devices that we've gotten used to; the Q10, with its hardware keyboard and square screen, looks much like the BlackBerrys of ...