I've done an analysis of the differences between the packages in 9.3 and 9.2. Also the differences between the DVD and CD versions of 9.3.
Note that the analysis is just based purely on package names: the version numbers are stripped off and the package lists are then compared.
Differences between SUSE 9.2 and 9.3 Professional package lists (DVD version)
Differences between SUSE 9.3 Professional DVD and CD package lists.
See also:
http://disruptive.org.uk/20050109.dvd/index.html
http://disruptive.org.uk/20050209.dvd-cd/index.html
http://disruptive.org.uk/20050210.sles-9.2/index.html.