rumors from Blue Sky Disney's latest article concerning WDW:

Magic Kingdom:
Fantasyland refurb with at least the The Little Mermaid ride by 2012 (My speculation: removal of the tents?)

Epcot:
A new E-Ticket by 2012 (My speculation: Mt. Fuji?)
Some other possible smaller rides
A new Pavilion by 2012 (My speculation: Australia?)

Disney's Hollywood Studios:
Studio Tram Tour removal in 2010
Pixar Place expansion into tram tour land with the Monster's Inc. ride by 2012
Star Tours Update: earliest being 2010, latest being 2012
Great Movie Ride update by 2012
New E-ticket based on a big film by 2012 rivaling Harry Potter (My speculation: Could be based on Cars, Narnia, The Bow and the Bear, newt, Rapunzel, or The Princess and the Frog)
Hat moving to another location in DHS by 2012 (My speculation: Fantasmic!? Animation Backlot?)

Disney's Animal Kingdom:
Some attraction (ride/show/thingy) in Pocahantas' theatre space with amazing theming by 2012 (My speculation: How much room do they have there?)
The Lion King moving to Africa by 2012
New E-ticket by 2012
New land between Asia and Africa by 2012 (My speculation: Linked to the new ride? Beastly Kingdom?)

THESE ARE JUST RUMORS