I had done it over a year ago, did one session/month for 4 consecutive months ($500/session, price excludes the numbing cream). I still have acne, still have scars. While I was getting the treatments, I was using topical creams like Duac (which does help a little) and Doxycycline. I also cut back on dairy a lot (Dr. suggested it, said a cow's hormones may somehow affect me).
The results from the Smoothbeam were temporary--it basically flattens the pimples, smoothing your face, and then the medications help a little in preventing the acne. It's been a year, and I'm just as unsatisfied with my face. Thinking of starting Accutane now.