Dovella said:

Confirmed: the Windows 7 phone is a Quad-Core, Silverlight 5 phone.


via Miguel Deicaza

Awesome,though sounds a bit to good to be true.  Apparently a free updated 'Development Zune' for attendees as well? 


Would someone at Mix please check out & let me know what happens (click on the Windows Logo Button to remove the dummy phone surround).