For the past two weekends I have camped out in my 4 man Kifaru tipi at a shooting club I belong to. I have learned some things about this type of tent.
I believe that this tent is best used in the fall, winter and early spring. The bigs in New England are coming out and they are able to sneak under the gaps at the bottom. In addition, the inside walls accumulate a lot of condensation. If you touch the walls, you get rained on.
I believe that for the summer where pests are an issue a floored model is needed.