Yes it would be nice to see DC in Win98 too. It may be possible. There is Unicows.dll 1.1.3790.0 for Win98 and there's project KernelEx for Windows 98:
http://www.msfn.org/board/topic/130936-kernelex-452/ which AFAIK supports some unicode layer. It allows run a lot of newer apss that normally doesn't run under win98, list:
http://www.msfn.org/board/topic/152471-kernelex-apps-compatibility-list-new/. Unfortunatelly DC doesn't start without any error message. Is there some debug-enabled version to trace the problem? Maybe it could be easily fixed.