Natalie obviously.
Sophie had a dance that didn't suit her this week but when she has a dance that does suit her, she's got a magic about her, and I think it's better to have some great dances than all good dances, if that makes sense. And Brendan plays this show well usually.
Abby is also a definite unless she comes up against Natalie in the dance off.
I think they are the most likely but - don't shout at me - I don't think they'll be the most exciting final. I think I'd make it a four person final if I was running things, to add a bit of grist to the mill.
Others: I wouldn't write off Suzannah and Kevin, they've got a lot the audience will love about them, but something says to me semi-final, that I can't justify at all. I think Ashley will struggle with exhaustion, Ben with the actual dancing, Mark (<3) with fitness (knees - jive will break him, for one) and Patrick also injured and I don't think he's settled yet - for an actor he's oddly unnatural in his expressions imo, for all his ability, though he could get over that. I think Ben might just get to the final - he's probably the most competitive.
Don't see anyone else getting close personally.