> 
> It is a pity there is no binary version of mod_ruby for win32. I can 
> find only source tarballs. :(

Joining in on this a little late, but there is a binary version of this.
Checking out http://rubyforge.org/projects/rubyforapache I downloaded
something I have in place on my Win32 Apache setup. I also added eruby to it
so I can test out things on my local Win32 workstation...