I think there are a ton of people interested in getting a kit, but the price point of $2000 with shipping is a deal breaker. It really does have to be a good ROI and economically feasible.
Just look at the graph of solar growth vs cost. It's obvious when the price drops everyone starts using it.
I think who ever is doing your fiberglass work is going to have to take a paycut if you really want to sell these things.