In the first scene in this video, John shows some warm up excercises and massages, not using the guitar. These are for the fingers, arms, back, and shoulders. I thought that was pretty cool. Then, he dives into the meat.
John goes through every aspect of his practice regimen. Lots of good close up shots of his insanely perfect technique. John also throws in musically philosophical observations from time to time, as well as telling stories about the band. Plus, he gives a detailed walkthrough of his gear.
The only downside is the "bonus" concert footage, which is largely shot from a good distance away, and not the greatest quality. That's a small knock on a DVD that has so much to offer.