In a recent article, Mark Boschen and Tai Oei present a case formulation framework for treatment planning of CBT with anxiety disorders. I haven't gone through it in detail yet but it looks like a useful aid in making sense of anxiety disorders and choosing among the many possible interventions.

• Boschen, M. J. & Oei, T. P. S. (2008). A cognitive behavioral case formulation framework for treatment planning in anxiety disorders. Depression and Anxiety, 25, 811-823.