If you want to see some tough questions to ask vendors who are claiming “ITIL compliance”, see ITSMWatch http://www.itsmwatch.com/itil/article.php/3644451
It then branched out into a discussion of what verification means:
http://www.itsmwatch.com/itil/article.php/3646441
and then
http://www.itskeptic.org/node/72
It is an amusing little debate
