0wning Xen ?

InvisibleThings.org posted some more details on their Xen Owning Trilogy session at last weeks Black Hat conference in Las Vegas. Joanna Rutkowska and her crew gave a series of 3 talks discussing different potential security issues with Xen. With the VirtSec awareness growing this obviously is an important topic . When quickly skimming trough the presentations the big question that arise is , how relevant is this all for a day to day production environment...