I agree with Ben. Failed to register the ASP.NET with the domain user based service accounts. After having no joy what-so-ever, the first attempt using the NetworkService account for the CRM Services and I was back on track with Daniel's blog.
As Aaron says "Testing is not yet complete". There seems to be a number of fundamental incompatibilities with CRM2011 on Server 2012. The CRM app and installer needs some work :-)