I was wrong. Apparently there ARE still copies out there on the web for download. For example, here are a number of results which suggest that the 1996 and 2000 versions are still out there on many unsecure sites.http://www.google.com/search?q=inurl:pmbok.pdf
I suppose this should not be a surprise. But users should not be reduced to copyright violation or pirating just to hear what PMI clearly believes are the "right" project management methods. If PMI's PMBOK is the project management "bible", then where is their Gideon? Come on PMI, set the PMBOK free.