Lumia 900
Used by 2 peoplenokia.com ↗
“As for tech hardware: Nokia Lumia 900 - obviously I'd say this, but it's quite a beautiful bit of product design (I had nothing to do with it) and I've come to really love the WinMo Metro UI on it.”
Rhys Newman Interview, Designer (Advanced Design @ Nokia) · via Uses This 
“I have a bunch of Windows Phones from HTC, Samsung, and Nokia, but the one I'm using now is the white Nokia Lumia 900.”
Mike Kruzeniski Interview, Former principal design lead (Windows Phone) · via Uses This