32yo Mom of 2yo TWINS got 325CC mod + silicone Unders!

HELP! 5.6" and 120lbs. Currently a 34 A cup size but even then, the top of my bra leaves me with a gap unless I use the little cutlet fillers inside. I'm unsure about what size to choose and if I should do high or moderate profile. My surgury is very soon. I was originally scheduled for April 30th but they called today and can get me in March 27th instead. My confusion lies in regards to the fact that I don't want to be a lot bigger in size, but want a little fullness back after breast feeding my twins. I love to workout and excersize and I'm what some consider broad shouldered. With that said, I am unsure what would flatter me the best without making me look even more broad and large. I'm worried moderate profile will make me feel even wider, but they told me high would look like two balls. I have decided on silicone under the muscle but after that I'm a lost!!! I like the look of a gap in betweenand not just a line of cleavage. To me that line looks like aged breasts. Having a gap and that look of a push up bra seems more youthful to me but I don't want to look tottaly reduculous or look obvious that they are indeed fake. I know some don't like to have that gap thing, but it's just MY personal oppinion on what look im drawn to most. My biggest fear of getting this done is that it could make me look chubby. I want to have the fullness back up top that I use to have and be able to wear some of the stuff I once could before kiddos without worrying about a bra. I have been prior to children and still am an A cup. I usually purchase either a 32b or a 34a bra but acording to vs its the same difference. My doctor said I don't have a ton of droop and that I mostly lost some of my volume. They reccomened going moderate profile and 325-350cc's. That seems huge to me as I don't mind my current size and just want them a little larger with a bit more fullness. I know most girls dont come in and ask for under 300cc's but I was thinking something along the lines of 250cc's. They told me I would not be happy and would regret not going larger. Now I am on the fence as to listen to the experts or go with my gut and instinct that too many cc's will be to big for my liking and make me feel heavy set. Also the profile thing is even more of a delima to me. Sorry these photos are not the best either. I will gladly take all of your advice to heart? Thank you!