My first memory of one is from about 1st grade time frame. I remember thinking then how small it was, how do you stand up? Silly me. It did make an impression however, and I've been hooked.
The $3000-6000 range seems to be the starting bracket for many of the commercially built models. Of course, the sky's the limit.
The link below is for a teardrop forum I hang out at. If you scroll down the page, there is a for sale/wanted section.
I gotta get me one.
Course with gas the way it is the great American road trip is about to die.
We wont let it happen will we?!!