Interesting that the website lists OpenBSD among the OSes "in final stages of
being ported", but the OpenBSD website indicates otherwise (it was ported, but
is no longer supported):

http://www.openbsd.org/pegasos.html

And the OpenBSD developer who worked on it doesn't make things sound too rosy:

http://marc.theaimsgroup.com/?l=openbsd-misc&m=108028112117093&w=2