Yep, most people see great results. Unfortunately we have not. My daughter has a large hemagioma on her cheek, and we started her on propanolol when she was 5 weeks old. She is now over 3 months old and there has been no change. We are looking into surgery in the future. Hopefully you will have success with the medication though - we haven't seen any bad side effects!
You can see pics of my daughter here: www.twicethefunindc.blogspot.com