ZDNN reports that frustration is growing among IT managers who have to deal with <A HREF="http://chkpt.zdnet.com/chkpt/zdnntop/www.zdnet.com/zdnn/stories/news/0,4586,2346321,00.htm">Windows 2000</A>. The article says that the frustration mostly stems from the constant delays and the cost of upgrading to the new operating system.