Ok, maybe this is a stretch, but if you have the ability to make FTL jumps, then you basically have the framework for time jumps as well. Could the final 5 be the decendents of Hera, and Nicholas Tyrol, and any other future Human/Cylon spawn? Perhaps there is the possibility of a harmonious future in which the new combined race lives, and the final 5 are sent back in time to lead both humans and Cylons to that end. Just an idea. Care to comment?