I visit austin regularly and have a friend that trains at 3 gyms in the area. I've visited the relson gracie school, run by phil cardella. My friend trains at the shao lin do kung fu school, their owner don is a purple belt, nice guy. My buddy does lunch classes at bobby rabadis place, and a open mat out toward hutto. The rabadi gym and the kung fu joint are mostly whitebelt training partners, ditto with hutto. Cardellas place is more of a competition gym, lots of tough guys there.
Depending on what you are looking for, if you want to roll with blues and purples, id visit phils. If you just wanna network I can get you info on the other schools. Also the ctc gym has esfia teaching there, he's a brazillian guy, id like to train there sometime, haven't got around to it.