I'm not that happy with the new blog engine. At first sight it has nice features. Like the post editor which asks if you really want to navigate to another page and lose your content. But .text has found better ways of doing that, my favourite one is this one
Text - Application Error!
Details
ArgumentException
The SqlParameter with ParameterName '@ItemCount' is already contained by another SqlParameterCollection.
Also available when you're just trying to browse..
Peter