Nokia Champagne, new WP ‘Tango’ handset leaks in logs
The device named Nokia Champagne was spotted with Nokia World event date of 25th October 2011. So it could be the Lumia 710 or the 800, just named differently for a carrier, or something different altogether. Perhaps the Lumia 900 which has been leaked before.
Whatever it may be, we’ll be on it if more info pops up.