Did our thorough Lumia 900 review convince you that a mix of polycarbonate hardware and Metro UI is where your smartphone future lies? Well, it's time to head to your nearest AT&T vendor because Nokia's latest effort to break America is here. Just don't forget those 100 bucks.PSA: Nokia Lumia 900 available today originally appeared on Engadget on Sun, 08 Apr 2012 12:03:00 EDT. Please see our terms