This article was originally published on the Marijuana Patients Organization site on March 24, 2012.
I know the advantage of digital like that they are cheaper and not as much heat but is the yield the same or less or more? Should I swith out my HPS for digital and save money or will I just grow less

I think you get more yield with a hps, if you are growing for yourself then use digital if you are growing for others than use hps
I would say the opposite that I get more from my digitals and had used hps for 10 years before switching for many reasons and the increased harvest was a nice surprise.