I know not everyone who reads this post agrees with us, and we’ve taken a fair share of criticism for our viewpoint, but we’ve been consistently skeptical of the power of 3D to drive HDTV sales. And now, after the industry spent millions (billions?) of dollars in promotion and advertising , as well as several years of intense sales effort, and probably billions of dollars in research & development – a new survey of HDTV-purchasing consumers from reputable researcher J.D. Power and Associates shows that 3D was ranked a distant last as the reason they purchased their set.