Here's One:
And here's the other:
Over at the Syfy Channel message boards RDM commented that at one point, he had other plans for the embattled warhorse Galactica. Instead of sending the ship into the sun, piloted by comatose Anders, they would land the ship on Earth, to be discovered thousands of years later.
And here's the other:
There was a different ending that we had, it was all about Ellen aboard the Colony. She was sort of turned by Cavil, because she found out that Tigh had impregnated Caprica Six, and that deeply embittered her. And she sort of became dedicated to the idea of destroying Galactica and the fleet out of revenge. And [she and Cavil] got Hera, and then the final confrontation became very personalized between Tigh versus Ellen, and should they forgive.