I am speculating here but I would imagine that your experience should be relatively similar at both institutions. Part of the decision will be largely intuitive also - what does your heart tell you is the right path? What is your confidence level based on meeting the team?

Having a second local comprehensive cancer center is luxury that many don't have. I will admit that I didn't feel compelled to go the Stanford after meeting with people at UCSF (both local CCC's in my area).

You may wish to surf the site of both centers to see what exactly their specialties are. One of them may place more emphasis on head and neck.