Woo-hoo!
Glad to hear that things are going so well ILMS. I agree with Beth. Keep the cast on as long as you need to heal properly. You may save yourself years of grief in the long run.
(And if you are prescribed any physio, do the exercises faithfully. It's through physio that I regained 100% use of my right arm after a very nasty fall 10 years ago.)
Hope things continue to look up!
Trinity