Just after I'd gone and mentioned that the T4 editor from Clarius Consulting doesn't give you intellisense, Victor Garcia Aprea announces that they're working on an update which does exactly that. Looks really nice too. Pete

Cut to the chaseOK. So you just want to know how to do it? Modify your template directives to the following. <#@ template inherits="Microsoft.VisualStudio.TextTemplating.VSHost.ModelingTextTransformation" language="C#v3.5" #> What?..Why? Recently I have been doing a lot of work in Microsoft's Domain Specific Language Tools for Visual Studio. In fact for the past 8 months this has pretty much been my main focus. I've learned a lot of things on the way and it occurred to me that the development of T4 templates used in DSL tools would be made a lot easier with the use of extension methods. To understand why,...

....and commence downloading. http://weblogs.asp.net/scottgu/archive/2007/11/19/visual-studio-2008-and-net-3-5-released.aspx http://blogs.msdn.com/somasegar/archive/2007/11/19/visual-studio-2008-and-net-framework-3-5-shipped.aspx  

First impressions are really good. The install went fine on a dual core laptop in parallel with VS 2005 already installed. The first thing I notice is that the performance is good (no worse than 2005) and the XAML designer is much improved over the cider CTPs. Had a quick play with LINQ on a generic list and the intellisense support seems spot on. Must sleep now.