Spoilers for finale ep 5x24. La-di-da, la-di-da. ( Read more... )

The best discussion of the clues from 5x23 ep and the 5x24 promos, I think, is at house_cuddy , the Differential Diagnosis post. Obviously, not for the faint of heart-who really shouldn't be reading on the web if they wish to stay virginal anyway :-)