Connectivity side, I plugged in NFC (using WIFI) with my new Sony TV W8 and there the magic happens, the picture on the TV! And the videos are fluid even in HD mkv, I was amazed. Anyway you will not watch movies like that every day.
In contrast to enjoy pictures with friends or family is top.
Given its large size, and the taunts of colleagues, I bought the SBH52 which functions blutooth headset even miniature phone. So to answer calls or switch the I no longer use the Ultra Z :-)
What's nice is that you can also connect another phone (iphone 5 pro) and there SBH52 replaces the 2 phones.
If you are gaming enthusiasts on phone, games are sublimated, my iphone 5 next pales.
And more, it is resistant to water, the screen is very useful messy pretty quickly.
I recommend it!