First of all, it is not that simple an answer. I am sure that it is possible but VERY complicated, especially when you try to tell the installer where to look for packages and so on. In my humble estimation, it is way outside of the capabilities of 90% of the people on this forum, anyway.
Secondly, i think what people are trying to point out by asking "why" is that there are much simpler and faster ways to execute your stated intent (try out SuSE) than to convert an installation DVD iso to CDs (like get OpenSuSE 10.1... pretty much the same thing, from what i understand) and asking "why" helps them find something that best fits your needs.
Good Luck with SuSE.
Try Debian next.