Whether you loved or hated Tennant's "I don't want to go" regeneration scene, don't expect a repeat.
The way the 10th Doctor went out was a ... contentious moment in Who history. We've seen many regenerations, but the Doctor never so completely treated it like a death as he did at the close of The End of Time.
It would seem that Moffat is not game to go there again.
In an interview with SFX, he was pretty matter-of-fact on the topic of regeneration, saying, "The Doctor doesn’t die. He really doesn’t. He just gets a new body. He escapes death, he evades death, so that’s a triumphant ending rather than a sad ending."
But that's not to say that Moffat doesn't understand why Russell T Davies took such a maudlin approach. To the contrary, Moffat might have done something similar, if it hadn't just been done before. Moffat actually gets a bit philosophical on the matter:
I was trying to think about it from the point of view of what it would be like if someone told you, “When you wake up tomorrow morning, you’ll still be alive, but you won’t be the same. You will like different things, you will sound different, you will look different, and have a different temperament.” That would be utterly terrifying.
That would feel not like death, but something quite mortifying – you would be horrified by the idea of just being rewritten like that. I think that’s what contemplating regeneration must be like for the Doctor. So there’s an element of that, but because it was played that way the last time we wouldn’t play it the same way this time – that would just be wrong.
What can we expect instead? Moffat seems far more interested in adding a level of levity to the proceedings, describing the episode by saying, "There’s a lot of humor in this one, because Matt’s Doctor has been a funny Doctor, and if you’re going to make people miss him then just remind them how funny he is."
As for the final moments, Moffat says, "I thought if you were going to say, 'Here’s your last go at the Eleventh Doctor' he should be as he was, and what you will miss is not him crying -- I think the danger is, if you cry the audience don’t. It’s about 'This is the last hurrah. These days will not come again.'"
There you are. A not-so-teary a farewell from the Doctor himself, but tears from the rest of us, most likely.
(via Doctor Who TV)