在Mac上运行IIS最轻的方法？

I have an ASP.NET MVC 4 app that I would like to run on a Mac machine. I would hate to run a full blown Windows virtual machine when all I really need is IIS7 to run the MVC app. What is the lightest way to run this (VirtualBox, Parallels, IIS7 Express, etc)? Really my goal is to code the Javascript/client-side of the app on my Mac and I am trying really hard not to do my development on a Windows machine :)I have an ASP.NET MVC 4 app that I would like t