I would recommend you try Linux out for your development work, or yourself try to port the offending modules to Win32.

The source is there, and module owners will probably be interested in making their work cross-platform, especially when the other platform is such a major platform as Win32. So - you can either ask for documentation and do it yourself, or you can nag/bribe the module owner to make it Win32-compatible.

Another way to get the module is to install Linux. Before you whince - remember that VMWare offers free trial of their software. VMWare will run Linux as an application under windows (and vice versa). As a means of checking out Linux without repartitioning your harddrive and configuring exotic hardware, it's a nice way to start. Please note that you will still need to install the actual Linux OS - VMWare just offers you a virtual machine to install it on so that your risk is lower. (Disclaimer : I use VMWare at work, but I don't work for them).

I also believe that you can get prebuilt binaries of mod_perl-enabled apache for Win32 somewhere. The mod_perl homepage is probably you friend.