Horribly late to the particular discussion regarding implants, but....
As much as I am a big fan of implants (folks here know me as having managed to scrape together a clue or two in this regard), I'd be extremely hesitant to encourage any sort of jumping on the implants bandwagon.
My primary concern has to do with meeting up with the wrong surgeon. With very few exceptions, I can pretty much guarantee most surgeons will take one look and play the "oh, well before we can do anything, you'll need a lift". The basic reasoning has to do with nipple position vs breast fold, and nothing more than that.
A lift (at least at this point in Wendy's life) would be a tragedy. Or at least a crying shame, for those folks who might think I'm overstating concerns.
I can see implants possibly creating the right enhancements, but I would urge talking to the right surgeons, and getting consults with a few of the ones better known for going to the larger sizes.
There was a certain Brit lass (name escapes me at the moment -- yeah I'm hopeless, I blame the late hour and the beer

) who used to have fantastic boobs, but elected to get a reduction. And later on, an augmentation. It didn't help, the bell had already been rung.
So unless it's a burning desire, I seriously wouldn't mess with natural success. If Chloe Vevrier can do it, ....