I'm glad you have met a wonderful doctor. There are many well-trained, experienced, ABPS-certified plastic surgeons out there who would be regarded as equally wonderful by a majority of their patients. What you need is sound advice that adequately addresses your concerns, and does not give "pat" or "glad-hand" answers based on habit or preference, but rather on enough experience with problem patients to individually tailor recommendations to each unique set of circumstances and anatomic needs.
Perhaps that has already occurred. Perhaps not, which may be a reason you seek on-line validation of either your choice, or your discomfort with his recommendation!
I personally feel the "Gummy bear" implant is not the ideal implant for a majority of patients and situations. BUT, yours is a set of circumstances where this may actually be the best and a very well-thought-out option.
The only way to be sure is to visit more than one plastic surgeon who meets the criteria previously stated; get several opinions based on your history, present physical examination, and requests. Then you and your chosen surgeon can make the best choice for you. Please read the link below for much more detail, then read the Breast Augmentation pages I have written. Best wishes!