Hi Rhino,
lots of racing goes on in Florida starting late in the year and carries on through the winter. There are at least 2 very active vintage/historic/classic sports car groups. HSR is well established. Are you thinking of coming over or just curious? I expect there will be some very interesting cars with real pedigree and a bunch of not so famous cars from the period. I would expect some talented rich guys playing with expensive toys. a few "names will likely be there perhaps even driving but would not count on it. Then they shuffle off to Sebring a few weeks later.
Phil