Looks like a very interesting concept.
Now I know I am not paranoid for running Firefox, with No Script, Adblock Plus, and sticking with FoxIT PDF at home.
If I could just find a decent replacement for Adobe Flash. I have not tried Gnash (
http://gnashdev.org/) and the other hopeful SWFDec (
http://swfdec.freedesktop.org/wiki/) hasn't been updated in awhile.