I have had the Scm System for about 4 years.
It comes with all the training tapes.
When I first received the unit it was easy to setup and after reviewing the tapes I started right in.
I like pressure pot seperate so when I have a large rock that won't fit the cabinet, I just extend the hose and bring the pot outside.
The other nice thing they carry all the items you need to blast, from the equipment to the graphics and everything in between.
I do buy my grit and masks somewhere else for less.