Lifehacker post that brought a lot of traffic to the course site. No actual mention of P2PU unfortunately.
Small mention of P2PU
Collection of resources with screenshots. School of Webcraft featured.
About Mechanical MOOC. Mostly focused on OpenStudy, but mentions other project partners.
"The mechanical MOOC is an attempt to leverage the power of the open Web, by loosely joining together a set of independent building blocks"
Article about Jane Park, School of Open