I also had mine done at the South Marietta Loop location and they did a great job on mine as well. I received a discount (can't remember how much) because I told them I found their location on the internet.
Here is the link to the South Marietta Loop location:
http://www.linexga.com/index1.htm
Here is the link to the Chamblee-Tucker Rd. location: It has a $25 internet coupon:
http://www.line-x-truxsport.com/