As far as LE activity, stay in Travis county and it shouldn't be a problem, stay out of Williamson County which has a much harder line as far as LE.
See the link below to help with locations.
http://www.eccie.net/showthread.php?t=654993
I recommend the Arboretum or Domain areas.
Something I will mention is that your rates are on the high side, though of course what you charge is your decision.
Good luck to you, if you come to Austin I hope you have a nice visit.