(as proclaimed by their t-shirts) congregate around Rackspace table in the Texas Linux Fest lobby. At times they were hard to tell apart from TAMU Linux user group -- both wore maroon t-shirts. :-)
Here are my blog posts about Texas Linux Fest: What I got out of Texas Linux Fest and Inspiring stories from Texas Linux Fest. My formal write-up of the event is here at GeekAustin.org.