I prefer the PhD over social work and have tried both a couple of times. It seems with the Master whichever route you choose, to me it is how much experience you get in the field, internships, residencies, grants for research. I also prefer a certain focus on techniques. Some of my learning is DBT, but I prefer my therapist who has experience in other modes. I prefer someone who is capable of supporting a client through the past pain, yet can offer the skills of DBT in the present.