Seeing is believing, so I've started the official Instiki wiki at 
http://instiki.nextangle.com/. There's not a terribly lot of info in it 
yet, but it should still be enough to lure you in :)
--
David Heinemeier Hansson,
http://www.basecamphq.com/   -- Web-based Project Management
http://www.loudthinking.com/ -- Broadcasting Brain