I started listing down comparative differences between SMS 2003, SCCM 2007 and SCCM 2012 and with the help of Wei King to finish off the list, here is what we came up with Via http://www.myitforum.com/myITToolbar/frame-click.asp?url=http://mymomexperience.blogspot.com/2011/04/comparing-sms2003-sccm-2007-and-sccm.html