I use one running Mango as my main phone and love it - very useable, and live tiles are awesome. My only real beef is the the turn by turn, which is not nearly

I use one running Mango as my main phone and love it - very useable, and live tiles are awesome. My only real beef is the the turn by turn, which is not nearly as good as what I had on the Andriod (but then again, my iPhone also drove me into lakes once in a while - I just think Google did best with the out of the box turn by turn driving experience).