Microsoft has these “virtual labs” where you are supposed to be able to get hands on with some of their products w/o all the pain of downloading and installing them.
http://msdn.microsoft.com/virtuallabs/
Right now I can’t the site to respond, but I am guessing it is a temp problem, not that they have removed this service.
Some of the labs they have are:
Internet Information Services (IIS)
Thanks to Somasegar for the links.