Did you go with a shop out of Ama? I got my feet wet with 5 trips with the original Scuba Training Center/Stacey and Kevin.
I used to work as a Dive Con for Kevin and Stacey. Unfortunately they sold their shop last year (July 2006). I'm now working as a Dive Master at Amarillo Scuba Center. The trip was organized through Amarillo Scuba Center.