found this
“Caan timeshifted into the Time Locked Time War and rescued Davros just before he was destroyed. The journey sent Caan insane so he has remain chained up. He can see the future and predicts the arrival of the Doctor and the death of a companion. Davros used his own Kaled cells to create a race of new Daleks. Millions of them.
In a rumoured shock development in the final episode, a Dalek casing opens to reveal Harriet Jones.
This would be the story for the 45th anniversary so Russell will probably pull out all the stops.
The story on the net is that the Doctor regenerates but causes a split regeneration, retaining his current incarnation and creating an entirely new Doctor from his severed hand next to the console.
This is believed to be a crash and burn story which wipes out almost anything that Russell T Davies has had a hand in creating in the past few years so that the new producer can start with a clean slate, so to speak.
It is believed that, right near the end, the Doctor leaves Donna with Wilf. It’s also believed that Donna is exterminated. “
The Harriet Jones bit i believe and when the doctor ran into the Tardis they focussed on the hand which i thought was odd so believe that
