New Version of SHADOW IDS Released

I read on snort-users that Guy Bruneau released version 3.1 of the SHADOW IDS. Installation documentation (.pdf) is available. You can download an .iso. I'm interested in seeing how the .iso works out. With VMWare I can install directly from the .iso without burning it to CD-ROM. Keep in mind SHADOW is a packet-header based IDS. It is not a content inspection system like Snort or commercial IDS. Still, it can be useful.