just heard about this from one of Collin's former coworkers, an owner now at Texas Track Works in Ft. Worth. we were both surprised and got no news about why. too bad, really.
sorry, i don't have any recommendation for austin since he was my guy when i lived there. but i suggest you call TTW and ask them. Forrest used to work with Collin, but there may be others at TTW who have some tips for you. their # 817-926-8863.