Pr. Thibault (a french blog) just uploaded a picture,they got the picture from @MSNerd (said to be a Microsoft insider) of what it believes is either an upcoming nokia lumia device (curved screen like the Lumia 800) or it's a tablet.
This could be nothing or it could be anything.
I would say it's a tablet, because of the space between the curve display and the bezel.What say you? Tablet? New Lumia Phone?
Maybe we'll see it at the upcoming Mobile World Con. (MWC) at the end of the month in Barcelona