AZ this guy is in Holdenville OK and he advertises on OKC Craigslist. I thought 4000 to make a trike sounded pretty good and I haven't seen too many trikes that will get out from under you on gravel at a stop.
So, it would appear that if you want to have "both worlds", then this kit just might be something to check into. I know that I will definitely check it out before making a decision to go with something else.
But, that will be a while as I don't have permission yet to even get a bike.