For a change, I am going to try and check the checksum before burning the CDs.... My burner is on a Win2000 box, and I have all 6 of the Centos 5 ISO images there already. So I grab a checker from: http://www.diamondcs.com.au/freeutilities/md5.php And checking the ISO image files with this program, I get different numbers than in the MD5 hash txt file. Can anyone point me to a 'proper' checker?