The 6000 series processors will see the 45nm 8-core to 12-core Magny-Cours next year, while the 32nm 12- to 16-core Interlagos will arrive one year later. The 4000 series platform on the other hand will see the 45nm 4- to 6-core Lisbon in 2010, and the 32nm 6- to 8-core Valencia in 2011.
Here's a bit of information about the 12-core Magny-Cours:
And some details about the Direct Connect Architecture 2.0:
Another slide reveals the projected floating point and integer performance gains of Istanbul, Magny-Cours and Interlagos.