Hi Artie,
Welcome to TOTV. Here are some things you might want to consider:
Orientation of your lanai: Some prefer east-facing, as the afternoon sun can be so hot. Others like west-facing. Worth considering if you have a choice.
Two-and-a-half garage: If there's room on your lot and in your budget, most people here like as much garage space as possible, since there are no basements.
If you think you might want to expand your lanai or add a pool or birdcage or expand another area of the house at some point, orient your home to leave room on the affected side.
Attic stairs and solar tubes are very popular additions, the attic stairs for storage the tubes for more light.
If you are planning any upgrades, do some shopping around in advance to determine if you could do them cheaper during or after building. Some say they get better prices after. Also, check TOTV and Villages Warranty office for references on any contractors you might use.
Here is a
link to a wonderful three-part post by my dear friend and neighbor Zcaveman. It's a great checklist of things you will need to take care of when you get here.
Congratulations on your decision to move to Lower Paradise!