I wish we hadn't lost the old board. I wrote a long post about Rose when she became the Bad Wolf. She is the ultimate Deus ex Machina in that she is omnipresent. Her resurrection of Jack proved that. She didn't just rez him in that moment, but in all moments because she is everywhere at once. I also wrote then that I thought she played a huge role in the Time War, possibly being the one who killed the Nightmare Child, but Davies only teased about that in his book.
All of this really makes sense to me. Including the time between the Ood telling the Doctor to come to them at the end of Waters of Mars and him refusing to (The 50th is that time....) He said he married Elizabeth, saved a galaxy, had a planet named after him, etc... It's retroactive continuity at it's finest.
As for Clara, assuming she does have a Vortex Manipulator, isn't it more likely River's? And I still think Clara is someone else. You can even make the argument she IS or will be River due to the fact she is the only one we know of that saw the Doctor's true name. That scene has still never happened with River. But I really want her to be Susan. She meets the first Doctor as he is stealing the TARDIS. Where is Susan??? She tells him to steal this one, they get in together and she more than likely would say something along the lines of You're old enough to be my grandfather.
Not very likely, I know. But I wouldn't mind that, not one bit.