from »www.securityfocus.com/columnists/451 "... There has been a lot of buzz around the topic of virtualized rootkits. Joanna Rutkowska has been working on a new version of Blue-Pill, her proof of concept invisible rootkit, while a team made by three prominent security experts (Thomas Ptacek, Nate Lawson, Peter Ferrie) challenged her that there is not an "invisible" rootkit . . . ."
Three against one. I'm virtually certain one side or the other is wrong.