boo ya Wrote:
whats the difference between the 2 dvd versions?
* V4.0.2-2005-09-23 (bugfix release)
- Updated unionfs to 20050921-1507 with stability patches
- Fixed "noeject" and "noprompt" boot options
- Fixed "xdepth=" boot option
- Fixed permissions of /usr/bin/cdrecord*
- Fixed knoppix-terminalserver library problem
- Fixed knoppix-terminalserver shutdown-after-NFS-umount
- Fixed translation error of "Festplatte" in english version
- Fixed OpenOffice siesta on loading old documents
- Fixed ATP8* SCSI controller recognition
- Removed glibc dependency of sysvinit (all files statically linked now)
- Added "units" converter
- Updated read-write libntfs CVS version
- Security updates for xserver-xfree86, xlibs, mozilla-firefox
- [DVD] Added freemind (mindmapping tool)
- [DVD] Added Debian Anwenderhandbuch V3.0
- [DVD] Added Amorok

is it worth re-downloading?
It depends on whether any of the above changes affects what you intend to do with it.

I would download it just to have the latest version with bug fixes. I never know what I might use, or use it for.