Hi, Leslie. Welcome to FiberglassRV.com. There are lots of small(-ish) molded fiberglass travel trailers around (I live just outside of Austin). Tom's right that Casitas are popular, in part because they're built not all that far away, and that if you contact Casita
they will tell you who's local and willing to show theirs.
Going to a rally
is a good way to see different rigs; the ones in Texas at this point mostly don't happen 'til autumn (too dang hot for rallies around here in the summer). You might peruse our Rallies forum
and see if there are any you'd be interested in traveling to. (You can sort that list of threads by state/province.)
Best wishes on your search!