Sograte BBQ and Brew looks like the closest to you. If I had to guess you would probably get things pretty quick when ordering from Austin Homebrew Supply. I would check into them if you need something quick. I usually order from Midwest Supplies. I get stuff within 2 days of ordering.
[ame="http://maps.google.com/maps?f=q&source=s_q&q=http%3A%2F%2Fbeermapping.com%2Fsearch%2F%3Fstate%3DTX"]Looks like there is a place in Lubbock.[/ame] http://www.sograte.com/