You should use bitrock installer to compile a 1 file installer for many OSs. Its free if you are open source.
here are some example: http://bitnami.org/stacks
I believe that if you provide users with a very easy to use installer to get them to understand how to use the framework/application, they will adopt it faster.
Jonathan Levin
Jonathan, here is your chance to get on the credits :)
Can you take a look at the new simplified Windows install? it should be a natural for the first bitrock. Would you be willing to give it a try?