Many of our South Florida readers who keep their ears to the ground listening for real estate transaction news may be hearing the beginnings of a dreadfully fearful word: "bubble." After all, it was the "bursting of the real estate bubble" several years ago that led to the beginning of the near-constant state of America's moribund economy. For months now South Florida residents have seen news of soaring real estate values in the area, as well as tales of bidding wars that a couple of years ago would have been laughable. Now, the watch for the next "bubble" has begun. But, to hear it from a recent article, there may not be anything to worry about - yet.