While it doesn't have many new features it has two really helpfull features - it runs under .net 2.0 and has a CodeSmith MSBuild task.
I think that generics and perhaps iterators (C#) will have a major impact on templete code you are writting. At least for me it will. This is so good that I'll write a template using generics right now, just for fun.
Follow this link to get CodeSmith: