What I didn't like about Phil's instruction in his DVD is that he barely talks about what to do with your lower body. That's where, I believe Utley's book is pretty valuable because he talks a ton about "pivoting" around the left leg. His ideas have helped me quite a lot in understanding Phil's method as well, because I think he does that too, but for some reason didn't feel the need to talk about it in his DVD.
I first watched Phil's DVD this winter and practiced his method, but going his method it seemed like my upper body was all I was using and my legs were rigid, other than some knee bend. This caused me to kind of stab at the ball, which resulted in a lot of blading. I then read Utley's book and it has helped a lot. I think Utley does teach somewhat of a "hinge and hold" method, he calls it "fold, turn, and hold" but for me he gives a far better explanation of all parts of the swing.