If this debate interests you and you want to learn more about it, you should get in touch with me. Check my profile for my email address; http://contextmatters.com is the company I work for and here was a post our analysts wrote about Sovaldi: http://www.contextmatters.com/sticker-shock-in-drug-pricing-...
We're systematically collecting data on this exact conundrum - how much is a treatment that was, until recently, infinitely expensive worth? there's a whole lot of room for smart people to make a difference.