Thanks so much for your question. Since I wrote that post this summer, I've had the opportnity to learn a bit more about how these scans work. While they're great in terms of increasing awareness about osteoporosis (and hopefully encourage women to be proactive about prevention), many doctors do not consider them especially reliable. Here's a piece I wrote on the subject:
http://www.healthcentral.com/osteoporosis/c/9487/14300/portable/
I agree. Osteoporosis screenings should be as everyday as blood pressure screenings and cholesterol screenings. Go Costco!
Thanks for sharing this with us. We'll keep our eyes and ears (and bones) open for opportunities like this nationwide. - M