Chitterlings in Houston?
I was trolling for posts with no replies and did a quick Google search.
I found this:
And here's the link to the B4 Soul Food Listings:
Obviously this is way too late, and hopefully you found what you were looking for, but sounds like an interesting line of exploration.
I'm still on my fried chicken bender and saw a mention for that as well in the article.
Anyway, what did you end up doing? Did you find them or cook them yourself?