IMHO, the only reason for heading to Miami/Fort Lauderdale is that it might be a little warmer and the water temperature might be a little warmer. Other than that, from my experience, the further north you are in Florida, at least on the east coast, the better off you will be. If you do want to head south, I would consider the west coast around Naples and Sanibel Island, although they were hit pretty hard by at least one of the hurricanes. Perhaps Sarasota or Clearwater.