Just an FYI to help further the removal process

SMS: How to Remove a Systems Management Server 2.0 Client
http://support.microsoft.com/default.aspx?scid=kb;EN-US;199078

http://www.myitforum.com/articles/11/view.asp?id=5184

http://www.enterpriseitplanet.com/resources/scripts_sms/article.php/3084061