I'm still pretty envious of this feature, among others, and I eagerly wait for my time to come - whenever that will be. Hopefully, getting my weight issues sorted out will be the end of my wait, but I suspect that my patience will have to last me for as long as it takes to save up for surgical enhancements.
As far as breasts go, though, I can't say that I would want implants. I want breasts, but I absolutely do not want bags of salt-water sitting in my chest. They may look alike, but I prefer to be as natural as I can be. You can imagine my disappointment throughout my transition as my breasts have refused to grow - I shouldn't have been too surprised at this, I suppose, but I was hoping I'd be able to gain the weight necessary with the aid of estrogen.
Though I don't really like being as such, it's a fact that there are worse things than being almost flat. Many guys like (very) small breasts on women. Personally, I don't, but the fact that there are people that can appreciate them this way helps alleviate the longing.