At this point the Ubuntu phone has been launched, although it is not available in my region. Here is a review by Full Circle Magazine. They are my favourite magazine for Ubuntu and Linux news.
The only thing that is a deal breaker for me, is that there is no WhatsApp for it yet. I am sure though that as the platform grows that it will come.
Would you like to run Ubuntu on your phone? Hopefully Canonical have steered clear from the spyware they used to build into the desktop version of Ubuntu in this version.
The mobile phone world needs at least 3-5 strong players so that everyone stays on their toes.