I've followed the steps from http://memoryleak.me.uk/2009/04/umbraco-and-aspnet-mvc.html and integrated MVC in Umbraco with success, but I still have a problem which is critical for me.
Is there any way to inherit the Umbraco defined templates in an MVC view?
As I understand the problem is that the Umbraco templates become HTML only at runtime and the doctype properties, as @nodeName, are not recognized and "Object null reference" exception being thrown because of this.
This question is really old and not relevant to the current versions of Umbraco.
Just in case anybody is still not aware - All versions of Umbraco since 2013 (v6) support MVC