Holly - my advice to you is that without a teacher the switch won't do much for you. Like you can have pain in your arm and develop bad habits, you can develop them very easily with German bow. Without a teacher it is going to be very hard to learn any bow technique. I said it in a previous forum, when approaching bow technique on your own, proceed with caution. Just because there is no pain doesn't mean you are more comfortable doesn't mean you are doing anything right.
With a German bow you can still squeeze and you can still tighten up.