Since you can run classic web forms along side MVC its useful to know how to update your *.csproj project file so Visual Studio shows you the MVC items you can add to your project when you add a new item.  To do this, after installing MVC (and .NET 3.5 SP1 if you haven't yet):

1. Unload your project through Solution Explorer (right-click, unload)
2. Edit your *.csproj (yes you can do this in Visual Studio, right click the unloaded project node in Solution Explorer, Edit *.proj)
3. In the <ProjectTypeGuids /> node add the GUID {603c0e0b-db56-11dc-be95-000d561079b0}; (the semi-colon is important if you prepend it to the exiting list, which is what I did)
4. Add <MvcBuildViews>false</MvcBuildViews> as a sibling of the <ProjectTypeGuids /> node
5. Reload the project