I have had my nx without Nav since May (I love it!) and find the hands free all very easy to use. I have found I use my iPhone map more often with voice directions piped thru Bluetooth.
I like how my iPhone syncs to the car and I can use voice commands to send texts, set alarms, etc. with Siri. The only problem I recently started having is my phone sometimes won't disconnect after I press the phone disconnect button. I have to turn off Bluetooth from my phone and reconnect my phone which is a pain. Not sure if there is an update somewhere I can do? I was wondering if anyone has that problem with the iPhone, as well? Thx!