While this model is a couple years old, I am thoroughly enjoying the BlackBerry Z10.
The BlackBerry Hub integrates all forms of communication onto one page. This is surprisingly useful, and I won't go back to previous checking of this and that ... calls and voicemails and texts and emails. Multiple email accounts + text + calls + voicemail + notifications all on one page, and I can specify the order of priority. This one feature makes the BlackBerry a real business communicator.
BlackBerry native apps allow the user to control app permissions such as access to files, camera, contacts, etc. This level of permission control greatly enhances user privacy - no longer do we have to accept apps that pick every possible permission.
Android apps run fine. I am currently using the Amazon app store, and have not tried sideloading apps.
Battery performance seems reasonable.
There are a few annoyances:
Mini-USB plugs in to the left side of the phone. The swipe to see the BlackBerry Hub swipes in from the left side, so when plugged in the cord can interfere with the swipe.
The built-in camera app has no ability to disable shutter sound. Supposedly this has something to do with Canadian law. A 3rd party camera app could be installed.
For Android apps, it does not allow user to over-ride the app permissions, as it does with BlackBerry apps. Permission control on Android apps is a much-desired feature.