it would be interesting to know. The rate of growth in the virtualisation arena is nothing short of astonishing. We had the internet boom money spinner and the y2k money spinner and now virtualisation is the big thing.
the site 'Security now' (www.grc.com) has some excellent info on vm technology. Theyve done a few downloadable pod casts on the topic. Thats how I discovered it . Im sure the usage of vms is going to explode at some point soon.