Hi Neil,
House concerts are a regular happening around here. We have a folk club (www.sarafolk.org) that is the "umbrella organization" for such things. You can go to the "House Concert" link on the website. Anyway, if you are traveling to central Florida again, you might consider it. I'd be glad to help promote your appearance here and there would surely be a cool place to host it. I bet we could arrange free accomodations too.
Note: Summers here are very hot...most comfortable months are November through April. Those are also the months when the most potential concert attendees would be in town.
Cheers,
Pete Burkard
Sarasota, Florida.