If you're a paintball fan, then you need to check out www.firstcallpaintball.com. Thanks to their bargain pricing and awesome customer service, they are one of the largest and fastest-growing paintball stores on the Internet.
Firstcallpaintball.com is hosted on a four-server mini-cluster behind a BigIP load balancer. All this helps it handle over 1 million hits per day with minimal downtime. The site is powered by a modified version of Zen Cart, customized to take advantage of MySQL replication, wholesale pricing, automated updating, and automated order proccessing among other things.
