NU BG Spoilers

[winemaster]

The 13th colony is on another planet or arc ship (I said that what they found was not Earth. It could still go either way but this planet whether it is Earth or not is not the final stop)
Tom Zarek will die in a fire fight in the last episode.
I said earlier that the Galactica will wind up crashing to Earth. It will happen in a massive battle between the fleet and "good" Cylons versus the "bad" Cylon fleet in the last episode.
Six and Baltar are firiing guns in this fire fight. Deanna will stay on the devastated planet after the fleet leaves.

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[Law]

I hate waiting.

[winemaster]

In that teaser Kara finds her old viper and her decaying body which she burns
she runs her hand on the viper and puts her dog tags on her original body.
There is a resurection ship floating out their and it is tied to Earth. The implication is that the 13th tribe is Cylon but they are more human than the Colonials. The Chief has not betrayed the Colonials and Tigh is still drinking.
These are full expressions of free will and examples of their "humanity" Tori "chose to be with her people"
This is what the Cavil Cylons are afraid of because they have this "humanity" inside which can be embraced and from which the final five have and what they are inspiring the rebel Cylons to do.
The glowing spine will stop through the coming generations with the female models through lack of need for the nanites in their blood stream. The final five don't have that feature.
Cat and Cally are resurrected (they were around the set during the final episode filming)