Be careful Rob, you'll get hooked!
You can print the rules out from the IDPA web site and read the equipment section carefully. It sounds complicated at first but makes sense when the IDPA goals are understood. The holster section is the big restriction for most folks.
Practice, join the IDPA, get classified and come to Manchester in October to shoot the Tennessee State Championship Match with us. Our club hosted the first one in 1998 and we were selected for the 1999 as well.
Whatever you do...don't shoot your Caspian in ESP...I shoot MY Caspian 40 cal in that class and I don't need any more competition. (Just kidding)
C'mon down and see us