I've been using the TRX system consistently since approximately May 2009, starting with the Infamous TRX Workout posted in the Precision Nutrition program forums, and adding several strength, core, flexibility and conditioning DVDs from this site to my program since then.  I'm loving the results!  I've seen a great increase ...

What is the format of this DVD?  Is this a single work-along workout like the Essentials DVDs? For the 12 week program, do you simply change the modifier you follow as you progress?  Or is the DVD chaptered/programmed that you select the next workout progression from the menu?  Is is simply a DVD compilation of ...